Perhaps you should try some spelling variations:
dong yang » dong hoang, yang yang, dan yang
wang yang » wang yan, wang liang, wang yanling
gene yang » gene bank
yang min » yang mind, yang jin, tang min
min dang » yimin dang, mein dank, bin dann
a gene » a genre, a gender, a gentle
ka a » kai a, a a, k a
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong yang) OR (wang yang)) ka a gene yang min dang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) OR (wang yang)) ka a gene yang min dang hai ;".
• Adding a wildcard symbol may retrieve word variants: ((dong yang) OR (wang yang)) ka a gene yang min dang hai ;*.