Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua trong » cua truong, cua trung, qua trong
theo chu » theo chieu, cho chu, chao chu
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hien) or (theo chu)) xanh - hanh trinh cua trong ((cong dan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (theo chu)) xanh - hanh trinh cua trong ((cong dan) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (theo chu)) xanh - hanh trinh cua trong ((cong dan) or (cong san)) toan cau*.