Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hanh tai » thanh tai, hang tai, han tai
te sach » toc sach
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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)) ky nang x hoi. hieu va cam xuc va hanh tai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuat sach)) ky nang x hoi. hieu va cam xuc va hanh tai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuat sach)) ky nang x hoi. hieu va cam xuc va hanh tai ((cua tre) or (cua te))*.