Perhaps you should try some spelling variations:
thien chinh » tien thinh, thien chien, thi chinh
hanh manh » hanh mang, lanh manh, hoang manh
hang cong » dang cong, hang nong, bang cong
van thang » van thanh, van khang, van hang
manh cua » doanh cua, ban cua
cua hang » cua dang, cua nhung, cua cong
van chat » cao chat
van than » van thanh, van tuan, van phan

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

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