Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cac truc » cau truc, cac tru, cac trung
hanh vai » hanh vi, hanh va, hanh tai
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
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: ((thuat sach) or (thuat song)) ky nang xa hoi. hieu va cac truc va hanh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (thuat song)) ky nang xa hoi. hieu va cac truc va hanh vai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (thuat song)) ky nang xa hoi. hieu va cac truc va hanh vai ((cua tre) or (cua te))*.