Perhaps you should try some spelling variations:
dinh cuu » dinh chi
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van dam
van cau » van dau, van hau, van chat
va hanh » van hanh, va thanh, va danh
di cuu » di cau, di cua

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)) duc va hanh ((di cuu) or (dinh 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)) duc va hanh ((di cuu) OR (dinh 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)) duc va hanh ((di cuu) or (dinh cuu)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. thi ((van cam) OR (van cau)) duc va hanh ((di cuu) or (dinh cuu)) tre*.