Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han gao son snippets" » "zhan gao son snippets", "hat gao son snippets", "than giao son snippets", "han cao son snippets", "han gao san snippets", "han tao son 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 gao son 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 gao son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han gao son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han gao son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.