Perhaps you should try some spelling variations:
hanh trua » thanh tra, hanh tu, hanh sua
trua cua » tru cua, trung cua, qua cua
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va cham » va chat, va tham
truc va » thuc va, thuc vat, trung va
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
luc va » duc va, tuc va, loc va

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