Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
ho chieu » theo chieu, doi chieu, mot chieu
cong ban » cong bang, cong san, cong tan
ban toan » bai toan, ban than, van toan
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: ((ho chieu) or (((hoc thieu) or (hoc hien)))) tach - hanh trinh cua nhung cong ban toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((hoc thieu) OR (hoc hien)))) tach - hanh trinh cua nhung cong ban toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((hoc thieu) or (hoc hien)))) tach - hanh trinh cua nhung cong ban toan cau*.