Perhaps you should try some spelling variations:
trien quang » tran quang, tuyen quang, dien quang
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc trien » hoc tren, hoc tien, hoc truyen
va phuong » va thuong, cac phuong
va thong » va thuong, he thong, va cong
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc trien quang - hanh doanh ((va thong) or (va phuong)) cong tan tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc trien quang - hanh doanh ((va thong) OR (va phuong)) cong tan tran cau*.