Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
thai son » thai den, thai hoc, thai o
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va danh, ban hanh
thai do » thay doi, thai den
hieu va » lieu va, hieu qua
vi cua » vai cua, di cua
te cac » tu cac, ve cac, te cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ky nang xa hoi. hieu va ((thai son) OR (thai do)) ((va hanh) or (va thanh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky nang xa hoi. hieu va ((thai son) OR (thai do)) ((va hanh) OR (va thanh)) vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac ky nang xa hoi. hieu va ((thai son) OR (thai do)) ((va hanh) or (va thanh)) vi cua triet".
• Adding a wildcard symbol may retrieve word variants: te cac ky nang xa hoi. hieu va ((thai son) OR (thai do)) ((va hanh) or (va thanh)) vi cua triet*.