Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"ba chan dan slippers" » "ba chan doan slippers", "ba chan dang slippers", "ba nhan dan slippers", "ban chan dan slippers", "va chan dan slippers", "ga chan dan slippers", "ba chan dan grippers"
"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: (((("ba chan dan slippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ba chan dan slippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ba chan dan slippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ba chan dan slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.