Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hanh dung » thanh dung, anh dung, hanh dong
hang cong » dang cong, hang nong, bang cong
theo chu » theo chieu, cho chu, chao chu
san toan » van toan, dan toan, manh toan
toan tap » toan ban
chu van » cuu van, chu han

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 van - hanh dung luan ((nhung cong) OR (hang cong)) san toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu van - hanh dung luan ((nhung cong) OR (hang cong)) san toan tap".
• Adding a wildcard symbol may retrieve word variants: theo chu van - hanh dung luan ((nhung cong) OR (hang cong)) san toan tap*.