Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
cau treo » cau theo, cau tren, cau triet
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
cua tre » cua te, cuu tre, cua triet
xuc van » duc van, luc van, vuc van
tu sach » thu sach, su sach, te sach
hieu tu » chieu tu, hieu tuc, hien tu
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
tu cham » toc cham, thi cham

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thuat san)) ky tang xa hoi. hieu tu cham xuc van hanh vi ((cua tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thuat san)) ky tang xa hoi. hieu tu cham xuc van hanh vi ((cua tre) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thuat san)) ky tang xa hoi. hieu tu cham xuc van hanh vi ((cua tre) or (cau treo))*.