Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
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
toan cao » toan tap
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: ((theo chieu) or (thi thien)) xanh - canh tranh cua nhung cong dan ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (thi thien)) xanh - canh tranh cua nhung cong dan ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (thi thien)) xanh - canh tranh cua nhung cong dan ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (thi thien)) xanh - canh tranh cua nhung cong dan ((toan cao) OR (toan ban))*.