Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
quan dong » quang dong, quan hoang, quan trong
quan long » quan lang, quan hoang, quan trong
theo chu » theo chieu, cho chu, chao chu
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, 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: ((theo chu) or (ho chieu)) manh - hanh trinh ((quan dong) OR (quan long)) cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (ho chieu)) manh - hanh trinh ((quan dong) OR (quan long)) cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (ho chieu)) manh - hanh trinh ((quan dong) OR (quan long)) cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (ho chieu)) manh - hanh trinh ((quan dong) OR (quan long)) cong tan toan cau*.