Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, le thanh
chat tuc » chat xuc, luat tuc, chat huu
nang xa » nang x, lang xa, nang ma
hoc anh » hoc nganh, hoc nhanh, ngoc anh
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
va tinh » may tinh
tu sach » thu sach, su sach, te sach
vi cua » vai cua, di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (hoc anh)) ky nang xa hoi. hieu va chat tuc ((va thanh) OR (va tinh)) vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (hoc anh)) ky nang xa hoi. hieu va chat tuc ((va thanh) OR (va tinh)) vi cua triet~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (hoc anh)) ky nang xa hoi. hieu va chat tuc ((va thanh) OR (va tinh)) vi cua triet*.