Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
thu sach » tu sach, thuat sach, thuoc sach
nang xa » nang x, lang xa, nang ma
cam tuc » cam tu, nam thuc, dam thuc
sach ty » sach y, sach tu, sach thu
va vanh » va van, va danh, va anh
va hanh » van hanh, va thanh, va danh
ty nang » ky nang, ty xang, ty hang
tai cau » tai cac, tai cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty nang xa hoi. hieu qua ((cam tuc) or (cam xuc)) ((va vanh) or (va hanh)) tai cau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang xa hoi. hieu qua ((cam tuc) OR (cam xuc)) ((va vanh) OR (va hanh)) tai cau triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang xa hoi. hieu qua ((cam tuc) or (cam xuc)) ((va vanh) or (va hanh)) tai cau triet*.