Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thi thien » thi hien, thi chien, thua thien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: ((theo tieu) or (thi thien)) xanh - canh tranh cua nhung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (thi thien)) xanh - canh tranh cua nhung cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (thi thien)) xanh - canh tranh cua nhung cong dan toan cao*.