Perhaps you should try some spelling variations:
yan chang » yuan chang, han chang, can change
yan zhang » yuan chang, bin zhang, han chang
gene yang » gene bank
min shang » bin zhang, jin chang, min hong
shang hai » shang kai, dang hai, chang ha
iii gene » iii rene, iii gender, iii genome
yang min » yang mind, yang jin, tang min

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang ((yan chang) or (yan zhang)) iii gene yang min shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((yan chang) OR (yan zhang)) iii gene yang min shang hai ;*.