Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python using java slippery"
"tu tran van grippers" » "tu luan van grippers", "tu trang van grippers", "tu tren van grippers", "tu than van 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: (((("tu tran van grippers") or ("python using java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu tran van grippers") OR ("python using java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu tran van grippers ) or ( python using java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu tran van grippers") or ("python using java slippers"))) or ("locating bug code snippets"))*.