Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
phan dung » phan ung, phan dang, chan dung
dung dung » ung dung, dung ung, dung dong
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan tran » dang tran, tan tran, dan than
tran van » luan van
van chat » cao chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) tinh - phan dung dung cong dan tran van chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) tinh - phan dung dung cong dan tran van chat.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) tinh - phan dung dung cong dan tran van chat*.