Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
te cac » tu cac, ve cac, te cao
ha hoi » hoa hoi, ha noi, xa hoi
soc va » hoc va, loc va, doc va
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: te cac ky lang ha hoi. hieu qua cham soc va hanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky lang ha hoi. hieu qua cham soc va hanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te cac ky lang ha hoi. hieu qua cham soc va hanh vi ((cua tre) or (cua te))*.