Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
duong manh » duong van
manh toan » thanh toan, anh tuan, tinh toan
thang va » hang va, thong va, thanh va
trang va » tran van, hang va
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: doi ((chieu xanh) or (chieu sang)) - cang ((thang va) OR (trang va)) nhung duong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - cang ((thang va) OR (trang va)) nhung duong manh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sang)) - cang ((thang va) OR (trang va)) nhung duong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sang)) - cang ((thang va) OR (trang va)) nhung duong manh toan cao*.