Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
trinh cua » tinh cua, trinh luat, trinh quan
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban
hoc thi » hoc thai, hoc tai, hoc chi

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thi thanh - hanh trinh cua ((nhung cong) OR (thong cong)) van tuan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thi thanh - hanh trinh cua ((nhung cong) OR (thong cong)) van tuan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thi thanh - hanh trinh cua ((nhung cong) OR (thong cong)) van tuan ban*.