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