Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu, ho chieu
canh dan » canh van, sanh dan, thanh dan
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
doi chi » doi khi
can van » cac van, can ban, tan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chi)) xanh - ((canh dan) or (can van)) va nhung cong van phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chi)) xanh - ((canh dan) OR (can van)) va nhung cong van phan tu.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chi)) xanh - ((canh dan) or (can van)) va nhung cong van phan tu*.