Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"z10 cho phan snippets" » "z10 co phan snippets", "z10 hoc phan snippets", "z10 hoa phan snippets", "z10 cho phan slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("z10 cho phan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("z10 cho phan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( z10 cho phan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("z10 cho phan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.