Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, mot chieu
cong dan » cong san, cong tan, huong dan
dan dung » van dung, tin dung, ap dung
phan van » pham van, thanh van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (toc thieu)) tinh - thanh cong dan dung cong thanh phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (toc thieu)) tinh - thanh cong dan dung cong thanh phan van".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (toc thieu)) tinh - thanh cong dan dung cong thanh phan van*.