Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
cong cong » cong dong, trong cong, dung cong
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cao » toan cao, thai cao, than cap

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 cong cong ban than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) OR (chieu sang)) - canh tranh cua cong cong ban than cao".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) OR (chieu sang)) - canh tranh cua cong cong ban than cao*.