Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh van
hanh tai » thanh tai, hang tai, han tai
nang ma » tang ma, sang ma, nang cao
van cam » van nam, van lam, van cau
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa
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: tu cac ky nang ma hoi. hieu van cam xuc va ((hanh vai) or (hanh tai)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ma hoi. hieu van cam xuc va ((hanh vai) OR (hanh tai)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ma hoi. hieu van cam xuc va ((hanh vai) or (hanh tai)) cuu tre*.