Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
thong tap » thong cap, tong tap, thong tai
ho chieu » theo chieu, hoc thieu, doi chieu
tap doan » tap quan
doan cau » toan cau, doan dau, doan cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc hien)) tinh - hanh trinh cua thong thong tap doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc hien)) tinh - hanh trinh cua thong thong tap doan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc hien)) tinh - hanh trinh cua thong thong tap doan cau*.