Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong vang ma slippers" » "cong lang ma slippers", "cong quang ma slippers", "cong ngang ma slippers", "cong tang ma slippers", "cong nang ma slippers", "cong sang ma slippers", "cong vang ma slippery", "cong vang ma 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 vang ma 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 vang ma slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong vang ma slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong vang ma slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.