Perhaps you should try some spelling variations:
danh trung » dang trung, dinh trung, manh trung
trung dang » truong dang, trung dung, trong dang
doi chieu » doc hieu, doi chi, mot chieu
dung danh » dung doanh, dung dan, cuong danh
dang van » hoang van, hang va
ap dung » xay dung, van dung
van dan » van ban, ban dan, van dao

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 - ap dung danh trung dang van dan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) tinh - ap dung danh trung dang van dan ca.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) tinh - ap dung danh trung dang van dan ca*.