Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, hieu quan
trien quang » tran quang, tuyen quang, dien quang
diep quang » dinh quang
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong cong » trong cong, tong cong, thong thong
doanh va » doan va, doanh tai, doanh cua
va thong » va thuong, va phuong, he thong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » 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 ((((thieu quang) OR (trien quang))) or (diep quang)) - hanh doanh va thong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu quang) OR (trien quang))) OR (diep quang)) - hanh doanh va thong cong tan toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thieu quang) OR (trien quang))) or (diep quang)) - hanh doanh va thong cong tan toan cau*".