Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat cao su slippers" » "nha cao su slippers", "chat cao su slippers", "nhat cho su slippers", "nhat cao su slippery", "nhat cao 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 cao 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 cao su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat cao su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat cao su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.