Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
ky lang » ky dang, ky tang, tay lang
van cam » van nam, van lam, van cau
vai cua » dai cua, hai cua, lai cua
su cac » tu cac, su cao, su can
xuc va » duc va, tuc va, luc va

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