Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
van doanh » toan doanh, van dong, van thanh
bai triet » bai viet, tai thiet, va triet
hieu van » hieu va, thien van, lieu va
ly doanh » ly anh
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cau » van dau, van hau, van chat
cau luc » cau truc, cau phuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach ky nang xa hoi. hieu van cau luc ((van doanh) or (ly doanh)) va bai triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky nang xa hoi. hieu van cau luc ((van doanh) OR (ly doanh)) va bai triet.
• Adding a wildcard symbol may retrieve word variants: thuat sach ky nang xa hoi. hieu van cau luc ((van doanh) or (ly doanh)) va bai triet*.