Perhaps you should try some spelling variations:
amin thong » amin hong, min hong
thong guan » cheng guan
gene bank » gene banks, one bank, genomen bank
bank amin » banks amid, bank aid, bank api
yang yao » yang yang, wang yan, yang yi
ya human » das human, 2 human, 3 human
yang ka » yang fan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yang yao) or (yang ka))) or (yang di))ng ((ya human) or (a human)) gene bank amin thong guan ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang yao) OR (yang ka))) OR (yang di))ng ((ya human) OR (a human)) gene bank amin thong guan ;.
• Adding a wildcard symbol may retrieve word variants: ((((yang yao) or (yang ka))) or (yang di))ng ((ya human) or (a human)) gene bank amin thong guan ;*.