Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung xe may slippers" » "dung he may slippers", "dung de may slippers", "dung le may slippers", "dung xe may slippery", "dung xe may 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 xe may 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 xe may slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung xe may slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung xe may slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.