Perhaps you should try some spelling variations:
nhanh dung » nhanh dong, hanh dung, nhanh hung
thong dang » thong dung, thong mang, thong dan
doi chieu » doc hieu, doi chi, mot chieu
dat thong » dat trong, mat thong, dat phong
dung dat » dung va, dung tai
dang van » hoang van, hang va
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 - nhanh dung dat thong dang van dan ca~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (toc thieu)) tinh - nhanh dung dat thong dang van dan ca*".