Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh doi » thanh loi, thanh moi, thanh do
lieu van » hieu van, sieu van, lieu nano
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, dua tren
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 ma hoa. ((lieu van) or (lieu va)) nam tu gia thanh doi ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang ma hoa. ((lieu van) OR (lieu va)) nam tu gia thanh doi ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang ma hoa. ((lieu van) or (lieu va)) nam tu gia thanh doi ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang ma hoa. ((lieu van) or (lieu va)) nam tu gia thanh doi ((cua tre) OR (cua triet))*.