Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van dam
van cau » van dau, van hau, van chat
duc van » duc va, duc tan, duc manh
anh vi » hanh vi, anh ve, anh vu
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. hieu ((van cam) OR (van cau)) duc van ((anh vi) or (anh va)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ((van cam) OR (van cau)) duc van ((anh vi) OR (anh va)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ((van cam) OR (van cau)) duc van ((anh vi) or (anh va)) cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((van cam) OR (van cau)) duc van ((anh vi) or (anh va)) cua triet*.