Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
tu bai » tu ban, tu bat, te bai
bai ky » ban ky, sai ky, bac ky
cam tu » cam thu, nam tu, dam tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu bai ky nang xa hoi. ((hieu ve) or (hieu qua)) cam tu va danh di ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu bai ky nang xa hoi. ((hieu ve) OR (hieu qua)) cam tu va danh di ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: tu bai ky nang xa hoi. ((hieu ve) or (hieu qua)) cam tu va danh di ((cua triet) or (cua viet))*.