Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh hanh » trinh thanh, trinh han, trinh anh
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
chao chu » cho chu, cua chu, cao cho
chu tich » chu thich, thu tich, co tich
toan cao » toan tap
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: chao chu tich - hanh trinh hanh ((nhung cong) or (dung cong)) san ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu tich - hanh trinh hanh ((nhung cong) OR (dung cong)) san ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: chao chu tich - hanh trinh hanh ((nhung cong) or (dung cong)) san ((toan cao) or (toan ban))*.