Perhaps you should try some spelling variations:
dung danh » dung doanh, dung dan, cuong danh
phan dat » phan dau, phan dai, phan day
danh tan » danh thanh, danh thang, doanh tai
van chat » cao chat
doi chi » doi khi
dat ung » dat dung, dat rung, dap ung
tan van » tran van, tang 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: ((doi chi) or (toc thieu)) tinh - phan dat ung dung danh tan van chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (toc thieu)) tinh - phan dat ung dung danh tan van chat.
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (toc thieu)) tinh - phan dat ung dung danh tan van chat*.