Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tieu danh » dieu danh, tiep danh, thien danh
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
cong sang » cong lang, cong vang, cong bang
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 tieu danh - hanh trinh cua thong ((cong san) or (cong sang)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu danh - hanh trinh cua thong ((cong san) OR (cong sang)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu danh - hanh trinh cua thong ((cong san) or (cong sang)) toan cau*.