Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
chu quang » chat quang, vu quang
toc sach » hoc sach, doc sach, thuoc sach
thi cong » tai cong, thien cong
phan huu » pham huu, phan huy, phan hieu
hanh dai » hanh tai, hanh dao, vanh dai
hieu ve » hieu va, hieu van
ve phan » va phan, ke phan, ve phat
va hanh » van hanh, va thanh, va danh
huu va » cuu va, tuu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ((chu quang) or (thi cong)) xa hoi. hieu ve phan huu va hanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((chu quang) OR (thi cong)) xa hoi. hieu ve phan huu va hanh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: toc sach ((chu quang) or (thi cong)) xa hoi. hieu ve phan huu va hanh dai cua triet*.