Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java grippers" » "python using data grippers"
"cong thi phi slippers" » "cong thai phi slippers", "cong khi phi slippers", "dong thi phi slippers", "cong chi phi slippers", "cong phi phi slippers", "cong thi phu slippers", "cong thi phi slippery"

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: (((("python using java grippers") or ("cong thi phi slippers"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java grippers") OR ("cong thi phi slippers"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java grippers ) or ( cong thi phi slippers ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java grippers") or ("cong thi phi slippers"))) or ("locating bug core snippets"))*.