Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
hoc thien » hoc hien, hoc thieu, hoc tien
hoc thiet » hoc thieu, hoc thuyet, hoc hien
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
manh toan » thanh toan, anh tuan, tinh toan
van than » van thanh, van thang, van tuan

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

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