Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi phu chu snippets" » "doi thu chu snippets", "doi nhu chu snippets", "doi pho chu snippets", "doi phu chung snippets", "doi phuc chau snippets", "doi phap chu 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: (((("doi phu 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: (((("doi phu chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi phu chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi phu chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.