Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
sach ky » sac ky, sach y, sach ty
cam tuc » cam tu, nam thuc, dam thuc
su sach » so sach, vu sach
hieu ve » hieu van
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
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: su sach ky nang xa hoi. ((hieu ve) OR (hieu va)) ((cam tuc) or (cam xuc)) va thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. ((hieu ve) OR (hieu va)) ((cam tuc) OR (cam xuc)) va thanh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. ((hieu ve) OR (hieu va)) ((cam tuc) or (cam xuc)) va thanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. ((hieu ve) OR (hieu va)) ((cam tuc) or (cam xuc)) va thanh vi cua triet*.