Perhaps you should try some spelling variations:
vien nganh » vien thanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong cong » trong cong, tong cong, phong chong
hien ngan » hiem ngan, hien nhanh, hieu nganh
doanh cua » doanh luan
van juan » van quan, van tuan, van huan
juan cao » quang cao, toan cao, quan cau

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 ngan) OR (vien nganh)) - hanh doanh cua ((thong cong) or (thong thong)) van juan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien ngan) OR (vien nganh)) - hanh doanh cua ((thong cong) OR (thong thong)) van juan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien ngan) OR (vien nganh)) - hanh doanh cua ((thong cong) or (thong thong)) van juan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien ngan) OR (vien nganh)) - hanh doanh cua ((thong cong) or (thong thong)) van juan cao*.