Perhaps you should try some spelling variations:
thien van » thi van
cua triet » cua viet, su triet, va triet
hanh dai » hanh tai, hanh dao, vanh dai
nang xa » nang x, lang xa, nang ma
van cau » van dau, van hau, van chat
cau loc » hau loc, cau hoc, cau luc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, dua tren
su xac » pu xac, su cac
xac ky » cac ky, sac ky, bac ky
loc va » hoc 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 xac ky nang xa hoi. thien van cau loc va hanh dai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky nang xa hoi. thien van cau loc va hanh dai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: su xac ky nang xa hoi. thien van cau loc va hanh dai ((cua tre) or (cua triet))*.