Perhaps you should try some spelling variations:
trinh cong » trinh dung
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
tranh qua » tranh cua, thanh qua, trinh qua
qua trinh » qua kinh
cong dan » cong san, cong tan, huong dan
ca cac » va cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (thien anh)) - canh tranh qua trinh cong dan ((ca cac) OR (cua cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - canh tranh qua trinh cong dan ((ca cac) OR (cua cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - canh tranh qua trinh cong dan ((ca cac) OR (cua cac))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - canh tranh qua trinh cong dan ((ca cac) OR (cua cac))*.