Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
vai cua » dai cua, hai cua, lai cua
so sac » so sach, so dac
sac ky » cac ky, sai ky
tuc va » thuc va, truc va, tuc xa
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sac ky nang xa hoi. hieu van cam tuc va thanh ((((vi cua) OR (vai cua))) or (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ky nang xa hoi. hieu van cam tuc va thanh ((((vi cua) OR (vai cua))) OR (di cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sac ky nang xa hoi. hieu van cam tuc va thanh ((((vi cua) OR (vai cua))) or (di cua)) tre*".