Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
nhung cong » dung cong, thong cong, hang cong
mot trieu » mot chieu, mot tri, mon triet
cua nhung » va nhung
cong van » cong vang, cong san, song van
toan cao » toan ban
toan tap » toan ban

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

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