Perhaps you should try some spelling variations:
te sach » toc sach
van cau » van dau, van hau, van chat
danh di » danh du, xanh di, danh dien
danh vi » hanh vi, dinh vi, danh va
sach ky » sac ky, sach y, sach ty
van cam » van nam, van lam, van dam
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 cau)) luc va ((danh vi) or (danh 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 cau)) luc va ((danh vi) OR (danh di)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. thi ((van cam) OR (van cau)) luc va ((danh vi) or (danh di)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. thi ((van cam) OR (van cau)) luc va ((danh vi) or (danh di)) cuu tre*.