Perhaps you should try some spelling variations:
doanh tien » doanh tren, doanh vien, doanh chien
hieu luat » hieu qua
lap doanh » luat doanh, nhap doanh, tap doan
dung dat » dung va, dung tai
dung lam » dung luan, dung tai, dung ha
dao hieu » cao hieu, van hieu, bao hiem
dung lap » dung lai, dung lao, dung luan
tien so » bien so, tien bo, tin so

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh ((dung dat) or (dung lam)) dao hieu luat ) or ( trinh dung lap doanh tien so ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh ((dung dat) OR (dung lam)) dao hieu luat ) OR ( trinh dung lap doanh tien so )).
• Adding a wildcard symbol may retrieve word variants: (( tinh ((dung dat) or (dung lam)) dao hieu luat ) or ( trinh dung lap doanh tien so ))*.