Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
va doanh » van doanh, vay doanh, va danh
cham xuc » chat xuc, cham soc, pham duc
tu sach » thu sach, su sach, tu cach
hieu tu » chieu tu, hieu tuc, hien tu
nang xa » nang x, lang xa, nang ma
te sach » toc sach
ca viet » va viet, co viet, hoa viet
van ca » van cau, van cua, dan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (te sach)) ky nang xa hoi. hieu tu ((cham xuc) OR (cam xuc)) va doanh van ca viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang xa hoi. hieu tu ((cham xuc) OR (cam xuc)) va doanh van ca viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky nang xa hoi. hieu tu ((cham xuc) OR (cam xuc)) va doanh van ca viet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang xa hoi. hieu tu ((cham xuc) OR (cam xuc)) va doanh van ca viet*.