Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nam thuc » nam thuoc, nam thu, nam tu
danh vai » danh sai, danh va, doanh van
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty lang » tay lang, ty xang, ty hang
lang ha » long ha
hieu va » lieu va, hieu qua
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, lai cua
ha hoi » hoa hoi, ha noi, xa hoi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty lang ha hoi. hieu va ((nam thuc) or (am thuc)) va danh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty lang ha hoi. hieu va ((nam thuc) OR (am thuc)) va danh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ty lang ha hoi. hieu va ((nam thuc) or (am thuc)) va danh vai cua triet*.