Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
van cam » van nam, van lam, van cau
danh vi » hanh vi, dinh vi, danh va
danh di » danh du, xanh di, danh dien
cuu tre » cua tre, cau tren, cau treo
luc 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 ((luc va) OR (duc 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 ((luc va) OR (duc 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 ((luc va) OR (duc 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 ((luc va) OR (duc va)) ((danh vi) or (danh di)) cuu tre*.