Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc vu manh slippers" » "toc vu minh slippers", "toc vu anh slippers", "toc tu manh slippers", "toc pu manh slippers", "toc va manh slippers", "toc vu manh slippery", "toc vu manh 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 vu manh 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 vu manh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc vu manh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc vu manh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.