Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mat chat cho snippets" » "mat chat code snippets", "vat chat cho snippets", "sat chat cho snippets", "hoat chat cho snippets", "mat chat co snippets", "mat chat thom snippets", "mat cap cho 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: (((("mat chat cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat chat cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( mat chat cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat chat cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.