Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
tai cua » thai cua, tai cuc, dai cua
te bac » ten bac, te bao, te ban
bac ky » cac ky, ban ky, sac ky
luc va » duc va, tuc va
loc va » hoc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te bac ky lang xa hoi. hieu qua cham ((luc va) OR (loc va)) hanh ((tai cua) or (tri cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te bac ky lang xa hoi. hieu qua cham ((luc va) OR (loc va)) hanh ((tai cua) OR (tri cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te bac ky lang xa hoi. hieu qua cham ((luc va) OR (loc va)) hanh ((tai cua) or (tri cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te bac ky lang xa hoi. hieu qua cham ((luc va) OR (loc va)) hanh ((tai cua) or (tri cua)) tre*.