Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
thu sach » tu sach, thuat sach, thuoc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
tuc va » thuc va, truc va, tuc xa
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: ((toc sach) or (thu sach)) ky nang xa hoi. ((hieu ve) or (hieu qua)) cam tuc va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (thu sach)) ky nang xa hoi. ((hieu ve) OR (hieu qua)) cam tuc va hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (thu sach)) ky nang xa hoi. ((hieu ve) or (hieu qua)) cam tuc va hanh vi cua triet*.