Perhaps you should try some spelling variations:
thanh doanh » hanh doanh, chinh doanh, toan doanh
thanh toan » thanh hoa, thanh san, tinh toan
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
sach ky » sach y, sach ty, sach kem
cam luc » cam xuc, cau luc
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
ma hoi » mai hoi, xa hoi, ma hoa
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((sach ky) or (sac ky)) tang ma hoi. hieu va cam luc va ((thanh doanh) or (thanh toan)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((sach ky) OR (sac ky)) tang ma hoi. hieu va cam luc va ((thanh doanh) OR (thanh toan)) cua te.
• Adding a wildcard symbol may retrieve word variants: doc ((sach ky) or (sac ky)) tang ma hoi. hieu va cam luc va ((thanh doanh) or (thanh toan)) cua te*.