Perhaps you should try some spelling variations:
hanh trinh » canh tranh
chat tinh » chau tinh, cham tinh, cha tinh
dang cong » dung cong
doc chat » hoc chat, hop chat, toc cham
cua dang » cua cong, cua ban
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc chat tinh - ((hanh trinh) OR (hanh chinh)) cua dang cong san toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc chat tinh - ((hanh trinh) OR (hanh chinh)) cua dang cong san toan ban".
• Adding a wildcard symbol may retrieve word variants: doc chat tinh - ((hanh trinh) OR (hanh chinh)) cua dang cong san toan ban*.