Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python using java grippers"
"he dan trong slippery" » "he ban trong slippery", "he dat trong slippery", "he dao trong slippery", "ke dan trong slippery", "le dan trong slippery", "he dai trong slippery"
"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: (((("he dan trong slippery") or ("python using java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("he dan trong slippery") OR ("python using java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( he dan trong slippery ) or ( python using java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("he dan trong slippery") or ("python using java slippers"))) or ("locating bug code snippets"))*.