Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » thong cong, hang cong, nhung don
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi

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 (doi chi)) xanh - hanh trinh cua ((nhung cong) OR (dung cong)) van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) xanh - hanh trinh cua ((nhung cong) OR (dung cong)) van toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chi)) xanh - hanh trinh cua ((nhung cong) OR (dung cong)) van toan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) xanh - hanh trinh cua ((nhung cong) OR (dung cong)) van toan cau*.