Perhaps you should try some spelling variations:
doanh cua » doanh luan
cua triet » cua viet, su triet, va triet
hang cua » mang cua, hang ca, huong cua
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam luc » cam xuc, cau luc
ve cam » ve cham, ve cac, va cam
luc va » duc 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: so sach ky nang xa hoi. hieu ve cam luc va ((doanh cua) or (hang cua)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang xa hoi. hieu ve cam luc va ((doanh cua) OR (hang cua)) cua triet.
• Adding a wildcard symbol may retrieve word variants: so sach ky nang xa hoi. hieu ve cam luc va ((doanh cua) or (hang cua)) cua triet*.