Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
hanh tranh » canh tranh, hanh trinh, hanh trang
hieu xanh » chieu xanh, hieu manh, hieu nganh
tranh cua » doanh cua, manh cua
doc hieu » toc thieu, hoc thieu, hoc hien
toan cau » toan cao, toan tap, toan tai
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: doc hieu xanh - hanh tranh cua ((bang phuong) or (truong phuong)) doan ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh tranh cua ((bang phuong) OR (truong phuong)) doan ((toan cau) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hanh tranh cua ((bang phuong) or (truong phuong)) doan ((toan cau) OR (toan ban))*".