Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java grippers" » "python using data grippers", "python using java slippers"
"tran van lua slippery" » "luan van lua slippery", "tran van luan slippery", "tran van lu slippery", "tran van luc slippery", "tran van lua slippers"

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

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