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