Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong so than slippers" » "cong san than slippers", "cong hoa than slippers", "cong so phan slippers", "cong so thao slippers", "cong so tan slippers", "cong so than slippery", "cong so than 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 so than 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 so than slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong so than slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong so than slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.