Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
cua thuong » cua truong, cua phuong, ca thuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sang)) - canh tranh ((cua thuong) or (cua tong)) cong tan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - canh tranh ((cua thuong) OR (cua tong)) cong tan phan tu.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sang)) - canh tranh ((cua thuong) or (cua tong)) cong tan phan tu*.