Perhaps you should try some spelling variations:
truong thanh » truong tran, tran thanh, truong xuan
luong thanh » long thanh
wing tan » wing ian, liang tan, hong tan
wang fei » wang wei, wang zhi, wang he
yang jin » yang jie, yang jun, ying jin
hua ren » hua chen
tan yi » tang yi, tan li, tan ying
yi hua » li hua, ya hua, yi hui

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: wing tan yi hua ren ((wang fei) OR (yang jin)) ((luong thanh) OR (truong thanh)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing tan yi hua ren ((wang fei) or (yang jin)) ((luong thanh) OR (truong thanh)) ;~".
• Adding a wildcard symbol may retrieve word variants: wing tan yi hua ren ((wang fei) or (yang jin)) ((luong thanh) OR (truong thanh)) ;*.