Perhaps you should try some spelling variations:
cua triet » su triet, va triet
ban hanh » ban hang
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
hoa xuc » hoa xua, hoa xu, hoa duoc
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
va hoa » van hoa, va hoc, ma hoa

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

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