Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi su hoa snippets" » "thi cu hoa snippets", "thi tu hoa snippets", "chi su hoa snippets", "thi su hoan snippets", "thi su hoat snippets", "thi su khoa 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: (((("thi su hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi su hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi su hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi su hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.