Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh tai » thanh tai, hang tai, han tai
toc cac » hoc cac, tuc cac, ton cac
nang xa » lang xa, nang ma, mang xa
van cam » van nam, van lam, van cau
tai cua » thai cua, tai cuc, tri cua
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
cua te » cua tu

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

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