Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh doanh » chinh doanh, doanh doanh, kinh doanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doi chieu » doc hieu, doi chi, ho chieu
luan hang » luan nang, luan hung, luan tang
luan han » luan hoan, luan phan, luan van
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - ((canh doanh) or (hanh doanh)) ((luan hang) OR (luan han)) cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((canh doanh) OR (hanh doanh)) ((luan hang) OR (luan han)) cong tan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - ((canh doanh) or (hanh doanh)) ((luan hang) OR (luan han)) cong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((canh doanh) or (hanh doanh)) ((luan hang) OR (luan han)) cong tan toan cao*.