Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java slippery" » "python using data slippery", "python using java slippers"
"toan cao phi grippers" » "toan ban phi grippers", "toan tap phi grippers", "toan cao thi grippers", "toan chau phi grippers", "toan cao khai grippers", "toan cao phi slippers"

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