Perhaps you should try some spelling variations:
"dung data code snippets" » "dung dat code snippets", "dung dan code snippets", "dung dau code snippets", "dung rate code snippets"
"dung cho lon snippets" » "dung cho cong snippets", "dung chon loc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung data code snippets\") OR (\"dung cho lon snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung data code snippets ) OR ( dung cho lon snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung data code snippets") OR ("dung cho lon snippets"))) OR ("locating bug code snippets"))*.