Perhaps you should try some spelling variations:
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
hang doanh » hanh doanh, nhung doanh, van doanh
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
cong toan » cong tan, cong hoan, cong tuan
phan cau » phan dau, phan cac, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chiet tach - ((hang doanh) or (kinh doanh)) luan dung cong toan ((phan cau) OR (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chiet tach - ((hang doanh) OR (kinh doanh)) luan dung cong toan ((phan cau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chiet tach - ((hang doanh) or (kinh doanh)) luan dung cong toan ((phan cau) OR (phan tu))".
• Adding a wildcard symbol may retrieve word variants: theo chiet tach - ((hang doanh) or (kinh doanh)) luan dung cong toan ((phan cau) OR (phan tu))*.