Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, pham thuc
cua triet » cua viet, su triet, va triet
ngoc anh » ngu anh
nham thu » nam thu, pham thu, nhan thuc
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai 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) or (ngoc anh)) ky nang xa hoi. hieu vu ((nham thuc) or (nham thu)) va hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (ngoc anh)) ky nang xa hoi. hieu vu ((nham thuc) OR (nham thu)) va hanh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (ngoc anh)) ky nang xa hoi. hieu vu ((nham thuc) or (nham thu)) va hanh vai cua triet*.