Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong cong » trong cong, tong cong, thong thong
theo hieu » theo tieu, thien hieu, thuc hieu
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

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