Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
manh trung » manh tung, thanh trung, manh hung
tieu xanh » chieu xanh, dieu hanh, tien anh
tieu danh » dieu danh, tiep danh, thien danh
cua thong » cua thuong, cua khong, cua tong
cong tran » cong tan, cong tuan, cong toan
tran van » luan van
van tai » von tai, van tuan

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 xanh) OR (tieu danh)) - ((canh tranh) or (manh trung)) cua thong cong tran van tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (tieu danh)) - ((canh tranh) OR (manh trung)) cua thong cong tran van tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (tieu danh)) - ((canh tranh) or (manh trung)) cua thong cong tran van tai".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) OR (tieu danh)) - ((canh tranh) or (manh trung)) cua thong cong tran van tai*.