Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
hien xanh » hien hanh, hien nhanh, chieu xanh
han huong » han thuong, han phuong, ban huong
luan han » luan hoan, luan phan, luan van
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh doanh luan han huong dan ((than cau) OR (than cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh doanh luan han huong dan ((than cau) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh doanh luan han huong dan ((than cau) OR (than cap))*.