Perhaps you should try some spelling variations:
malawi rural » mali rural, malawi mutual, malawi human
wan yanling » wang yanling, wang yangming, wang danning
genome bank » genomen bank, gene bank, genome can
yala human » data human, malawi human
kong hong » hong hong, kong hang, among hong
kong heng » kong hang, dong sheng, hong cheng

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yanling ((yala human) or (malawi rural)) genome bank ((kong hong) OR (kong heng)) ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yanling ((yala human) OR (malawi rural)) genome bank ((kong hong) OR (kong heng)) ghi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yanling ((yala human) or (malawi rural)) genome bank ((kong hong) OR (kong heng)) ghi ;".
• Adding a wildcard symbol may retrieve word variants: wan yanling ((yala human) or (malawi rural)) genome bank ((kong hong) OR (kong heng)) ghi ;*.