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
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cau luc » cau truc, cau phuc
va cau » van cau, va cac, va dau
ly anh » le anh

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 va cau luc ((van doanh) or (((ly doanh) OR (ly anh)))) va bai triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky nang xa hoi. hieu va cau luc ((van doanh) OR (((ly doanh) OR (ly anh)))) va bai triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ky nang xa hoi. hieu va cau luc ((van doanh) or (((ly doanh) OR (ly anh)))) va bai triet".
• Adding a wildcard symbol may retrieve word variants: thuat sach ky nang xa hoi. hieu va cau luc ((van doanh) or (((ly doanh) OR (ly anh)))) va bai triet*.