Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python using java slippery"
"cac dat anh grippers" » "cac dan anh grippers", "cai dat anh grippers", "cac dai anh grippers", "cac sat anh grippers", "cac dat khanh grippers", "cac nhat 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: (((("cac dat 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: (((("cac dat anh grippers") OR ("python using java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac dat anh grippers ) or ( python using java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac dat anh grippers") or ("python using java slippers"))) or ("locating bug code snippets"))*.