Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach thi » sach thu, sach tai, sach thieu
sach bai » sach dao, cac bai, sach xa
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
hanh tai » thanh tai, hang tai, han tai
hanh xa » hanh va, hanh ma, hanh xu
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
tai cua » thai cua, tai cuc, tri cua

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 thi) or (sach bai)) hanh xa hoi. hieu van nam thuc va hanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thi) OR (sach bai)) hanh xa hoi. hieu van nam thuc va hanh tai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach thi) or (sach bai)) hanh xa hoi. hieu van nam thuc va hanh tai cua triet*.