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