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