Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den tu chu snippets" » "dien tu chu snippets", "dan tu chu snippets", "den su chu snippets", "den tu chiu snippets", "den tu chung 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 chu 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 chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den tu chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den tu chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.