Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tran thuat » trong thuat, trien thuat, tran tuan
nhung cong » dung cong, thong cong, nhung don
manh tran » manh toan, manh tuan, canh tranh
hang cong » dang cong, hang nong, bang cong
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
va tinh » may tinh

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 xanh) or (va tinh)) - manh tran thuat ((nhung cong) OR (hang cong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (va tinh)) - manh tran thuat ((nhung cong) OR (hang cong)) dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (va tinh)) - manh tran thuat ((nhung cong) OR (hang cong)) dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (va tinh)) - manh tran thuat ((nhung cong) OR (hang cong)) dan toan cau*.