Perhaps you should try some spelling variations:
te sach » toc sach
van dau » van dao, phan dau
xanh di » danh di, vanh dai, xanh tai
danh vi » hanh vi, dinh vi, danh di
sach ky » sac ky, sach y, sach ty
van cam » van nam, van lam, van cau
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. thi ((van cam) or (van dau)) luc va ((danh vi) or (xanh di)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. thi ((van cam) OR (van dau)) luc va ((danh vi) OR (xanh di)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. thi ((van cam) or (van dau)) luc va ((danh vi) or (xanh di)) cuu tre*.