Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh doanh » hang doanh, doanh doanh, kinh doanh
dung cuong » dung luong, dang cuong, dung huong
dung cong » dung trong
tap toan » tap doan, tap quan, bai toan
toan cau » 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: theo chieu tinh - ((hanh doanh) or (chinh doanh)) cua ((dung cuong) OR (dung cong)) tap toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - ((hanh doanh) OR (chinh doanh)) cua ((dung cuong) OR (dung cong)) tap toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - ((hanh doanh) or (chinh doanh)) cua ((dung cuong) OR (dung cong)) tap toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - ((hanh doanh) or (chinh doanh)) cua ((dung cuong) OR (dung cong)) tap toan cau*.