Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
trinh han » trinh quan
han nhung » hanh nhung, hon nhung, ban nhung
theo chu » theo chieu, cho chu, chao chu
chu tich » chu thich, thu tich, co tich
cong san » cong tac
toan ban » van ban

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 tich - hanh trinh han nhung cong san ((((toan cao) or (toan tap))) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tich - hanh trinh han nhung cong san ((((toan cao) OR (toan tap))) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chu tich - hanh trinh han nhung cong san ((((toan cao) or (toan tap))) or (toan ban))*.