Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh cong » thanh cong, hang cong, hanh dong
cong cua » cong cu, dong cua, huong cua
su sach » so sach, vu sach
sach tu » sach thu, cach tu, sach ty
tu nang » tru nang, tu nong, tu nano
cao hoi » cau hoi, co hoi, cao hoc
thuc va » thuc vat, thuc dan, thuc day
va cau » van cau, va cac, va dau
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach tu nang cao hoi. lieu va cau ((xuc va) or (thuc va)) hanh cong cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tu nang cao hoi. lieu va cau ((xuc va) OR (thuc va)) hanh cong cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach tu nang cao hoi. lieu va cau ((xuc va) or (thuc va)) hanh cong cua triet*.