Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh qua » trinh quan, trinh cua, trinh quang
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
qua dung » quang dung, su dung, qua song
cong tan » cong thanh, cong ty, cong ha
cong tac » cong ty
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 manh - hanh trinh qua dung ((((cong tan) OR (cong san))) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu manh - hanh trinh qua dung ((((cong tan) OR (cong san))) OR (cong tac)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu manh - hanh trinh qua dung ((((cong tan) OR (cong san))) or (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chu manh - hanh trinh qua dung ((((cong tan) OR (cong san))) or (cong tac)) toan cau*.