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

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

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