Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
chua bang » chu bang, chua nang, thuat bang
chua xang » chua nang, chuc nang, chu bang
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (trieu tinh)) - hanh tranh ((chua bang) OR (chua xang)) cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (trieu tinh)) - hanh tranh ((chua bang) OR (chua xang)) cong manh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (trieu tinh)) - hanh tranh ((chua bang) OR (chua xang)) cong manh toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (trieu tinh)) - hanh tranh ((chua bang) OR (chua xang)) cong manh toan cau*.