Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java slippers" » "python using data slippers", "python using java grippers"
"ba quan dan slippery" » "ba quan doan slippery", "ba quan den slippery", "ba quan van slippery", "ban quan dan slippery", "bao quan dan slippery", "boa quan dan slippery"

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

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