Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, thong thanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
rong thanh » dong thanh, cong thanh, truong thanh
doanh qua » doanh quan, doanh cua, danh qua
yen tinh » tuyen tinh
qua dung » quang dung, su dung, qua song
ban can » ban dan, ban hang, ban hanh
ho yen » o yen, chao yen, hong yen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho yen tinh - hanh doanh qua dung ((trong thanh) or (rong thanh)) ban can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho yen tinh - hanh doanh qua dung ((trong thanh) OR (rong thanh)) ban can.
• Adding a wildcard symbol may retrieve word variants: ho yen tinh - hanh doanh qua dung ((trong thanh) or (rong thanh)) ban can*.