Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan dung tu slippers" » "van dung tu slippers", "dan dung tu slippers", "lan hung tu slippers", "lan dung thu slippers", "lan dung tru slippers", "lan dung cu slippers", "lan dung tu slippery", "lan dung tu 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: (((("lan dung tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan dung tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan dung tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan dung tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.