Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thuat dung » thuat ung, thuat xung, thuat song
thuat hung » thuat ung, thuat xung, thuat chuong
duong manh » duong van
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chieu sang)) - canh tranh ((thuat dung) OR (thuat hung)) duong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - canh tranh ((thuat dung) OR (thuat hung)) duong manh toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sang)) - canh tranh ((thuat dung) OR (thuat hung)) duong manh toan ban*".