Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc hanh cat snippets" » "luc canh cat snippets", "luu hanh cat snippets", "duc hanh cat snippets", "luc hanh cac snippets", "luc hanh luat snippets", "luc nhanh cay 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: (((("luc hanh cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc hanh cat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc hanh cat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc hanh cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.