Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
hanh trinh » canh tranh, hanh chinh
quan chung » luan chung, qua chung, quan nhung
cong tang » cong thang, cong lang, cong vang
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
ho chu » hoi chu, cho chu, ho chua
a chau » ha chau, lai chau, hat chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chu) or (a chau)) tinh - hanh trinh quan chung ((cong tan) or (cong tang)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chu) OR (a chau)) tinh - hanh trinh quan chung ((cong tan) OR (cong tang)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chu) or (a chau)) tinh - hanh trinh quan chung ((cong tan) or (cong tang)) toan cau*.