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