Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
luan thong » luan tuong, luat thong, xuan thong
luan phong » luan phuong, xuan phuong, van phong
hoc chieu » hoc thieu, ho chieu, hoc dieu
cong tinh » cong trinh, cong vinh, long tinh
toan cao » toan ban, toan tap

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

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