Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh hanh » trinh thanh, trinh han, trinh anh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
chu tich » chu thich, thu tich, co tich
toan cao » toan ban, toan tap
cua chu » sua chua

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

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