Perhaps you should try some spelling variations:
hoong thang » hoong chang, hoong ang
yang liang » wang liang, yan liang, yang yang
peng liang » wang liang, deng ziliang
thang long » change long
yan wang » yuan wang, yang yang, qian wang
long arm » long term
l1 gene » 1 gene, 11 gene, a1 gene
dan l1 » dan la, dan l

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang liang) OR (peng liang))) OR (yan wang)) dan l1 gene hoong thang long arm ;~.
• Adding a wildcard symbol may retrieve word variants: ((((yang liang) or (peng liang))) or (yan wang)) dan l1 gene hoong thang long arm ;*.