Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh lai » danh sai, gianh lai, dinh lam
hieu van » hieu va, thien van, lieu va
lang xa » lang ha, dang xay, lang van
sang xa » song xa, sang ma, mang xa
sach ty » sach y, sach tu, sach thu
van cam » van nam, van lam, van cau
cam duc » cam xuc, cao duc, pham duc
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, dua tren
te sach » toc sach

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 ty ((sang xa) or (lang xa)) hoi. hieu van cam duc va danh lai ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((sang xa) OR (lang xa)) hoi. hieu van cam duc va danh lai ((cua tre) OR (cua triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty ((sang xa) or (lang xa)) hoi. hieu van cam duc va danh lai ((cua tre) OR (cua triet))*".