Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hanh manh » hanh mang, lanh manh, hoang manh
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
manh cua » doanh cua, ban cua
ban can » ban dan, ban hang, ban hanh

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 manh cua ((nhung cong) or (dung cong)) van ban can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - hanh manh cua ((nhung cong) OR (dung cong)) van ban can*.