Perhaps you should try some spelling variations:
"dan tot cung snippets" » "dan tot code snippets", "dan tho cung snippets", "dan mot cong snippets", "dan bot cong snippets", "dan toc cung snippets", "dan toi cung snippets", "dan hoat cung snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("dan tot cung snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dan tot cung snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dan tot cung snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dan tot cung snippets"))) or ("locating bug core snippets"))*.