Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den tu che snippets" » "dien tu che snippets", "dan tu che snippets", "den su che snippets", "den tu chu snippets", "den tu chi snippets", "den ty che snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("den tu che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den tu che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den tu che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den tu che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.