Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
kho tang » cao tang
tang mai » tang ma, tang tai, lang mai
van hanh » van thanh, ban hanh, van anh
cac xuc » cam xuc, cac nuoc, chat xuc
cua tre » cuu tre, cua triet, dua tren
xuc van » duc van, luc van, vuc van
te sach » toc sach
qua cac » cua cac
mai hoi » mai khoi, dai hoi, lai hoi
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 sach) or (thuat sach)) kho tang mai hoi. hieu qua cac xuc van hanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuat sach)) kho tang mai hoi. hieu qua cac xuc van hanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuat sach)) kho tang mai hoi. hieu qua cac xuc van hanh vi ((cua tre) or (cua te))*.