Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc lu hanh slippers" » "toc luu hanh slippers", "toc du hanh slippers", "toc ly hanh slippers", "toc pu hanh slippers", "toc la hanh slippers", "toc lu hanh slippery", "toc lu hanh grippers"
"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 lu hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc lu hanh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc lu hanh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc lu hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.