Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
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 thieu quang - hanh doanh ((va thong) OR (va phuong)) cong tan tran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu quang - hanh doanh ((va thong) OR (va phuong)) cong tan tran cau*".