Perhaps you should try some spelling variations:
tai nhanh » tai thanh, thai thanh, tai chinh
cua triet » cua viet, su triet, va triet
sach tai » sach bai, sach tham, sach dao
nhanh ha » thanh hoa, thanh hai, khanh hoa
lam thuc » lam thuoc, nam thuc, dam thuc
vat hanh » vat thanh, van hanh, va hanh
hanh tai » thanh tai, hang tai, han tai
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
tai cua » thai cua, tai cuc, tri 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 tai nhanh ha hoi. hieu va ((lam thuc) or (am thuc)) vat hanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tai nhanh ha hoi. hieu va ((lam thuc) OR (am thuc)) vat hanh tai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach tai nhanh ha hoi. hieu va ((lam thuc) or (am thuc)) vat hanh tai cua triet*.