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