Perhaps you should try some spelling variations:
luat quan » qua quan, luat dan, luc quan
hieu soat » hieu suat, hieu hoat, hieu luat
dung lam » dung luan, dung tai, dung dat
ket toan » ke toan, ket doan, kiem toan
quan van » luan van, quan va, quan luan
van hieu » cao hieu
lam can » lam san, lam ban, lam gan
can ket » cao ket, cac ket, gan ket
tin » tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dung lam can ket toan ) or ( trinh luat quan van hieu soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung lam can ket toan ) OR ( trinh luat quan van hieu soat )).
• Adding a wildcard symbol may retrieve word variants: (( tin dung lam can ket toan ) or ( trinh luat quan van hieu soat ))*.