Perhaps you should try some spelling variations:
chat luc » chat xuc, chat lua, nhan luc
hieu va » lieu va, hieu qua
sach uu » sach luu, sach tu, sach xu
hieu ca » hieu cac, hieu cua, hieu xa
cua tre » cua te, cuu tre, cua triet
dang xa » dang xay, lang xa, dang ha
cach xu » cach tu, cach su, mach xu
luc ca » luc cao, luc cua, luc va
dao vi » dao voi, dao ve, dao va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach uu) or (cach xu)) dang xa hoi. ((hieu ca) or (hieu va)) chat luc ca dao vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach uu) OR (cach xu)) dang xa hoi. ((hieu ca) OR (hieu va)) chat luc ca dao vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach uu) or (cach xu)) dang xa hoi. ((hieu ca) or (hieu va)) chat luc ca dao vi cua tre*.