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