Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
tong cong » trong cong, cong cong, dung cong
doanh va » doan va, doanh tai, doanh cua
cong van » cong vang, cong san, song van
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
va tong » va thong, va tuong, va trong

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

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