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