Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua trong » cua truong, cua trung, qua trong
ho trieu » mot trieu, 25 trieu, 30 trieu
toan cau » toan tap, toan tai
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: ho trieu tinh - hanh tranh cua trong cong trinh ((((toan cau) OR (toan cao))) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - hanh tranh cua trong cong trinh ((((toan cau) OR (toan cao))) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho trieu tinh - hanh tranh cua trong cong trinh ((((toan cau) OR (toan cao))) or (toan ban))*".