Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nin toan van slippers" » "tinh toan van slippers", "nin tran van slippers", "nin toan ban slippers", "nin tan van slippers", "nin toan van slippery", "nin toan van 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: (((("nin toan van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nin toan van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nin toan van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nin toan van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.