Perhaps you should try some spelling variations:
thien van » thi van
van thanh » ban thanh, van tuan
cua triet » cua viet, su triet, va triet
thanh vi » hanh vi, thanh va, thanh ve
te cach » ve cach, te sach, tu cach
nang co » nang cao, nang doc, nang noi
nam duc » nam duoc, pham duc, nam thuc
duc van » duc va, duc tan, duc manh
te cac » tu cac, ve cac, te cao
co hoi » co hoc, co loi
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te cac) or (te cach)) ky nang co hoi. thien van nam duc van thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cac) OR (te cach)) ky nang co hoi. thien van nam duc van thanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((te cac) or (te cach)) ky nang co hoi. thien van nam duc van thanh vi cua triet*.