Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han vi he snippets" » "hanh vi he snippets", "han vui he snippets", "hang vi he snippets", "han vi ha snippets", "han gi he snippets", "han va he 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 vi he 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 vi he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han vi he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han vi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.