Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
thang cong » thanh cong, thong cong, hang cong
thang long » thanh cong
doanh cua » doanh luan
hoc dieu » hoc thieu, hoc hien
ho chieu » theo chieu, hoc thieu, doi chieu
dan toan » van toan, dan than, manh toan
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 dieu) or (ho chieu)) tinh - hanh doanh cua ((thang cong) or (thang long)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (ho chieu)) tinh - hanh doanh cua ((thang cong) OR (thang long)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (ho chieu)) tinh - hanh doanh cua ((thang cong) or (thang long)) dan toan cao*.