Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
hieu van » thien van, lieu va, hieu ve
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
cao hoa » cao hoat, cao khoa, cau hoa
hieu va » lieu va, hieu qua
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
nam tu » nam thu, nam thuc
tu gia » tu giao, tu giac, tu giay

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 ly nang cao hoa. ((hieu van) or (hieu va)) nam tu gia thanh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang cao hoa. ((hieu van) OR (hieu va)) nam tu gia thanh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ly nang cao hoa. ((hieu van) or (hieu va)) nam tu gia thanh doi cua tre*.