Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
ban quan » van quan
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - hanh ((ban cua) or (ban quan)) ((nhung cong) OR (hang cong)) dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - hanh ((ban cua) OR (ban quan)) ((nhung cong) OR (hang cong)) dan khan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - hanh ((ban cua) or (ban quan)) ((nhung cong) OR (hang cong)) dan khan cap".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh ((ban cua) or (ban quan)) ((nhung cong) OR (hang cong)) dan khan cap*.