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