Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
thien van » thi van
danh hai » dang hai, lanh hai, manh hai
cam truc » cau truc, nam truc, lam truoc
hai cau » hai chau, hai chu, hai hau
va danh » va dinh, va dan, va hanh
truc va » thuc va, thuc vat, trung va
van cam » van nam, van lam, van cau
su sach » vu sach
so sach » so sanh, bo sach, co sach
mai hoi » mai khoi, dai hoi, lai hoi
ma hoi » xa 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: ((su sach) OR (so sach)) ky nang ((ma hoi) or (mai hoi)). thien van cam truc va danh hai cau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky nang ((ma hoi) OR (mai hoi)). thien van cam truc va danh hai cau triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) ky nang ((ma hoi) or (mai hoi)). thien van cam truc va danh hai cau triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) ky nang ((ma hoi) or (mai hoi)). thien van cam truc va danh hai cau triet*.