Perhaps you should try some spelling variations:
dung danh » dung doanh, dung dan, cuong danh
doc hieu » hoc thieu, hoc hien
phan dat » phan dau, phan dai, phan day
danh van » doanh van, dang van, dinh van
van chat » cao chat
dat ung » dat dung, dat rung, dap ung
van van » van ban, tan van, san van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) OR (toc thieu)) tinh - phan dat ung dung danh van van chat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (toc thieu)) tinh - phan dat ung dung danh van van chat".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (toc thieu)) tinh - phan dat ung dung danh van van chat*.