Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chiet » doi chieu, doi chi, doi chinh
tranh cua » doanh cua, manh cua
cua trong » cua truong, cua trung, qua trong
doi viet » dai viet, hoi viet, oi viet
mai viet » thi viet
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chiet) or (((doi viet) or (mai viet)))) tach - hanh tranh cua trong cong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chiet) OR (((doi viet) OR (mai viet)))) tach - hanh tranh cua trong cong van tuan ban.
• Adding a wildcard symbol may retrieve word variants: ((doi chiet) or (((doi viet) or (mai viet)))) tach - hanh tranh cua trong cong van tuan ban*.