Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sang mai » sang ma, sang tai, lang mai
hieu van » hieu va, thien van, lieu va
cham duc » cham soc, pham duy, phan duc
danh lai » danh sai, gianh lai, dinh lam
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, dua tren
y sang » _ sang, duy sang

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 y sang mai hoi. hieu van ((cham duc) or (pham duc)) va danh lai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y sang mai hoi. hieu van ((cham duc) OR (pham duc)) va danh lai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te sach y sang mai hoi. hieu van ((cham duc) or (pham duc)) va danh lai ((cua tre) or (cua triet))*.