Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery", "python using java slippers"
"ca dao anh grippers" » "ca dao hanh grippers", "ca dao danh grippers", "ca dao manh grippers", "ca dao anh slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets", "locating bug code 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: (((("ca dao anh grippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ca dao anh grippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ca dao anh grippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ca dao anh grippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.