Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, hieu quan
trien quang » tran quang, tuyen quang, dien quang
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 cao, toan ban, toan tai
toan tap » toan ban
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: hoc ((thieu quang) or (trien quang)) - hanh doanh va tong cong van ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu quang) OR (trien quang)) - hanh doanh va tong cong van ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu quang) or (trien quang)) - hanh doanh va tong cong van ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu quang) or (trien quang)) - hanh doanh va tong cong van ((toan cau) OR (toan tap))*.