Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han ha long snippets" » "han hai long snippets", "han ha dong snippets", "hang ha long snippets", "phan ha long snippets", "nhan ha long 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: (((("han ha long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han ha long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han ha long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han ha long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.