Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hong diep » thong dieu, phong dieu, thong dien
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
hoc diep » hoc dieu, ngoc diep, khac diep
cua dang » cua ban
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc diep) or (hong diep)) tinh - hanh doanh ((cua dang) OR (cua cong)) cong luan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc diep) OR (hong diep)) tinh - hanh doanh ((cua dang) OR (cua cong)) cong luan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc diep) or (hong diep)) tinh - hanh doanh ((cua dang) OR (cua cong)) cong luan phan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc diep) or (hong diep)) tinh - hanh doanh ((cua dang) OR (cua cong)) cong luan phan cau*.