Perhaps you should try some spelling variations:
hieu van » thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
cua te » cua 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 cac ky nang xa hoi. ((hieu ve) or (((hieu van) OR (hieu va)))) cam duc va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang xa hoi. ((hieu ve) OR (((hieu van) OR (hieu va)))) cam duc va hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang xa hoi. ((hieu ve) or (((hieu van) OR (hieu va)))) cam duc va hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang xa hoi. ((hieu ve) or (((hieu van) OR (hieu va)))) cam duc va hanh vai cua te*.