Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong lai thu slippers" » "chong lai thu slippers", "cong hai thu slippers", "cong lap thu slippers", "cong lan thu slippers", "cong dai thu slippers", "cong lai thu slippery", "cong lai thu 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 lai thu 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 lai thu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong lai thu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong lai thu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.