Perhaps you should try some spelling variations:
tuong thong » thong thong, tong thong, tuong tuong
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
luan tuong » luan luong, luat thuong, xuan truong
hieu quan » hieu qua, thien quan, lien quan
lieu quan » lien quan, hieu qua, lieu van
van phan » van phong, van thanh, luan phan
van han » van hanh, van nhan, van hoan

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

• Performing a fuzzy search may retrieve terms with similar spellings: thien ((hieu quan) or (lieu quan)) - hanh doanh luan tuong thong ((van han) OR (van phan)) tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thien ((hieu quan) OR (lieu quan)) - hanh doanh luan tuong thong ((van han) OR (van phan)) tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thien ((hieu quan) or (lieu quan)) - hanh doanh luan tuong thong ((van han) OR (van phan)) tai".
• Adding a wildcard symbol may retrieve word variants: thien ((hieu quan) or (lieu quan)) - hanh doanh luan tuong thong ((van han) OR (van phan)) tai*.