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There is clearly a sentence (#129586) with this text:
Il venait à peine
But if you search for this string (from French to English), you get no results. If you search (without quotation marks so that it is less restrictive) for:
venait à peine
or just
venait peine
you get 6 results but none of them is sentence #129586.
Why?
See here.
http://prntscr.com/7z1fv8
Unowned sentences and unapproved sentences are excluded by default.
Shouldn't it say "Is approved" instead of "Is unapproved"?
Is unapproved: No
means it IS approved.
The labels have the intended meaning.
"Is orphan: No" means that you are excluding orphans, which are likely to be incorrect. Similarly, "Is unapproved: No" means that you are excluding sentences which have been actively marked as unapproved.
If the label said "Is approved: Yes" (that is, if the wording were switched and its meaning was also flipped), it might give the misleading impression that only sentences that have been actively approved will be selected.
You could think of the label as saying "Is deprecated: No". But "deprecated" is a word that fewer users (especially non-native English speakers who are using the interface because it hasn't yet been translated into their languages) are likely to know.