Perhaps you should try some spelling variations:
gene bank » gene banks, one bank, genomen bank
lang yan » wang yan, wang yang, zhang yan
adb than » adb tax
than she » khan sher, than one, than we
dong di » dong sin
meet a » meet _
yet a » yet _, get a, set a
et a » et al, et la, e a

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang yan) OR (dong di)) ((((yet a) OR (meet a))) OR (et a)) gene bank adb than she ;~".
• Adding a wildcard symbol may retrieve word variants: ((lang yan) OR (dong di)) ((((yet a) OR (meet a))) OR (et a)) gene bank adb than she ;*.