Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
chao chu » cho chu, cua chu, cao cho
trinh va » trinh van, trinh vat, trinh ve
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
chu van » cuu van, chu han

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

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