Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cung dan soc snippets" » "cong dan soc snippets", "dung dan soc snippets", "tung dan soc snippets", "cung dan toc snippets", "cung dan hoc snippets", "cung 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: (((("cung 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: (((("cung dan soc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung dan soc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung dan soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.