Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
cuu tre » cua tre, cau tren, cau treo
ky sang » ky nang, ky dang, ky tang
sang ma » tang ma, nang ma, sang tao
vai cuu » vai cua
van cam » van nam, van lam, van cau
tuc va » thuc va, truc va, tuc xa
tu sac » tu sach, tu cac, tu san
xac va » tac va, ac va, bac va
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky sang ma hoi. hieu van cam ((((duc va) or (xac va))) or (tuc va)) hanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang ma hoi. hieu van cam ((((duc va) OR (xac va))) OR (tuc va)) hanh vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ma hoi. hieu van cam ((((duc va) or (xac va))) or (tuc va)) hanh vai cuu tre*.