Perhaps you should try some spelling variations:
transfer david » transfer asia, traveler david
gene transfer » wire transfer, heat transfer, file transfer
david young » david loundy
yang dali » yang di, bang dai, yang all
young chi » young choi, young child, young hr
yang iii » klang iii, yang zili, zwang iii
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan ((yang iii) or (yang dali)) gene transfer david young chi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((yang iii) OR (yang dali)) gene transfer david young chi ;*.