Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
ve cam » ve cham, ve cac, va cam
tuc va » truc va, tuc xa, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky nang xa hoi. hieu ve cam ((tuc va) OR (thuc va)) hanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu can ky nang xa hoi. hieu ve cam ((tuc va) OR (thuc va)) hanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu can ky nang xa hoi. hieu ve cam ((tuc va) OR (thuc va)) hanh vai cua tre*.