Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat dan ve snippets" » "hat dan ve snippets", "luat dan ve snippets", "mat bang ve snippets", "mat ban ve snippets", "mat dan va snippets", "mat dan viet 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 dan ve 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 dan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat dan ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat dan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.