Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python using java grippers"
"dung san thi slippery" » "dong san thi slippery", "dung sai thi slippery", "dung luan thi slippery", "dung dan thi slippery", "dung ban thi slippery", "dung van thi slippery"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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