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