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