Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
nang xa » nang x, lang xa, nang ma
van lam » van nam
vai cua » dai cua, lai cua, bai cua
hai cua » thai cua, dai cua, hoi cua
su cac » tu cac, su cao, su can
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cac ky nang xa hoi. hieu van lam ((xuc va) OR (tuc va)) thanh ((vai cua) or (hai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky nang xa hoi. hieu van lam ((xuc va) OR (tuc va)) thanh ((vai cua) OR (hai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cac ky nang xa hoi. hieu van lam ((xuc va) OR (tuc va)) thanh ((vai cua) or (hai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: su cac ky nang xa hoi. hieu van lam ((xuc va) OR (tuc va)) thanh ((vai cua) or (hai cua)) tre*.