Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nam thuc » nam thuoc, am thuc, nam thu
va thanh » gia thanh, ban thanh, le thanh
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
sach tu » sach thu, cach tu, sach ty
va tinh » may tinh
tu lang » cu lang, tu lanh, xu lang
cua tre » cua te, cuu tre, dua tren
te sach » toc sach
ve nam » he nam, va nam, le nam

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 tu lang xa hoi. hieu ve nam thuc ((va thanh) or (va tinh)) hai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu lang xa hoi. hieu ve nam thuc ((va thanh) OR (va tinh)) hai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te sach tu lang xa hoi. hieu ve nam thuc ((va thanh) or (va tinh)) hai ((cua tre) or (cua triet))*.