Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
che chinh » te chinh
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
van thang » van thanh, van khang, van hang
van chat » cao chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: che chinh sach - hanh trinh quan dung cong ((van chat) or (van thang)) cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: che chinh sach - hanh trinh quan dung cong ((van chat) OR (van thang)) cam.
• Adding a wildcard symbol may retrieve word variants: che chinh sach - hanh trinh quan dung cong ((van chat) or (van thang)) cam*.