Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
hang doi » hang di, hang loi, huong doi
va hang » van hang, va nang, va lang
cam tuc » cam xuc, cam tu, nam thuc
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
sach uu » sach luu, sach tu, sach xu
tuc va » thuc va, truc va, tuc xa
doi su » oi su, don su, voi su

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

• Performing a fuzzy search may retrieve terms with similar spellings: co ((sach ty) or (sach uu)) nang xa hoi. ((hieu ve) or (hieu qua)) cam tuc va hang doi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co ((sach ty) OR (sach uu)) nang xa hoi. ((hieu ve) OR (hieu qua)) cam tuc va hang doi su triet.
• Adding a wildcard symbol may retrieve word variants: co ((sach ty) or (sach uu)) nang xa hoi. ((hieu ve) or (hieu qua)) cam tuc va hang doi su triet*.