Perhaps you should try some spelling variations:
"python using java grippers" » "python using data grippers"
"nhat chua va slippers" » "nhat cua va slippers", "nhan chua va slippers", "kham chua va slippers", "nhat chuc va slippers", "nhat chua may slippers", "nhat chuan ha slippers", "nhat chua va slippery"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nhat chua va slippers") or ("python using java grippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat chua va slippers") OR ("python using java grippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat chua va slippers ) or ( python using java grippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat chua va slippers") or ("python using java grippers"))) or ("locating bug code snippets"))*.