Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc cham thi slippers" » "toc thai thi slippers", "toc pham thi slippers", "toc cham nhin slippers", "toc cham nghi slippers", "toc cham thi slippery", "toc cham thi 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 cham thi 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 cham thi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc cham thi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc cham thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.