Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach thi » sach thu, sach tai, sach thieu
thi cong » tai cong, thien cong
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
ma hoi » mai hoi, ma hoa, me 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 thi cong ((ma hoi) OR (xa hoi)). lieu va cac xuc ((va hanh) or (ban hanh)) vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thi cong ((ma hoi) OR (xa hoi)). lieu va cac xuc ((va hanh) OR (ban hanh)) vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach thi cong ((ma hoi) OR (xa hoi)). lieu va cac xuc ((va hanh) or (ban hanh)) vai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach thi cong ((ma hoi) OR (xa hoi)). lieu va cac xuc ((va hanh) or (ban hanh)) vai cua triet*.