Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong cong » trong cong, thong thong, phong chong
hoc thieu » toc thieu, hoc hien
tong cong » trong cong, cong cong, dung cong
doanh va » doan va, doanh tai, doanh cua
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu quang - hanh doanh va ((thong cong) OR (tong cong)) van toan cao~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu quang - hanh doanh va ((thong cong) OR (tong cong)) van toan cao*.