Perhaps you should try some spelling variations:
chan thuong » phan thuong, han thuong, hang thuong
thanh trong » thanh trung, tranh trong, hanh trong
trong chan » trong chuan, trong cham, trong can
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
ho lieu » so lieu, co lieu, ho chieu
ho kieu » so kieu, thi kieu, ho chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho lieu) or (ho kieu)) tinh - thanh trong chan thuong ((cong dan) OR (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (ho kieu)) tinh - thanh trong chan thuong ((cong dan) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho lieu) or (ho kieu)) tinh - thanh trong chan thuong ((cong dan) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) or (ho kieu)) tinh - thanh trong chan thuong ((cong dan) OR (cong san)) toan cau*.