Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu cua » hieu qua, dieu cua, bieu cua
cac cong » cua cong
cong ban » cong bang, cong san, cong tan
thanh vi » hanh vi, thanh va, thanh ve
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hanh va » hang va, hanh vi

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 cua cac cong ban ((thanh vi) or (hanh va)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu cua cac cong ban ((thanh vi) OR (hanh va)) cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu cua cac cong ban ((thanh vi) or (hanh va)) cua triet*.