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