Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
hanh dai » hanh tai, hanh dao, vanh dai
su sach » so sach, vu sach
tai roi » lai roi, tai hoi, tai loi
hieu va » lieu va, hieu qua
cam luc » cam xuc, cau luc
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc 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: su sach y nang tai roi. hieu va cam luc va hanh dai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang tai roi. hieu va cam luc va hanh dai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sach y nang tai roi. hieu va cam luc va hanh dai ((cua tre) or (cua te))*.