Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh pham » thanh phan, thanh pho, thanh hai
hieu manh » chieu xanh, hieu nganh, dieu hanh
tuan pham » san pham, tac pham, luan phan
tranh va » tranh van, trang va, trinh va
va trong » va truong, va thong, va tuong

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 va trong cong ((tuan pham) OR (thanh pham)) va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - canh tranh va trong cong ((tuan pham) OR (thanh pham)) va.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu sang)) - canh tranh va trong cong ((tuan pham) OR (thanh pham)) va".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sang)) - canh tranh va trong cong ((tuan pham) OR (thanh pham)) va*.