Perhaps you should try some spelling variations:
hanh hang » thanh hang, hang hang, hanh han
theo chu » theo chieu, cho chu, chao chu
chu bang » thu bang, chuc nang, chu quang
hang cua » mang cua, hang ca, huong cua
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: theo chu bang - hanh hang cua cong ((cong dan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu bang - hanh hang cua cong ((cong dan) OR (cong san)) toan cau*.