Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che duoc dan slippers" » "che thuoc dan slippers", "che do dan slippers", "te duoc dan slippers", "che duc dan slippers", "che duoc ban slippers", "che duoc dai slippers", "che duoc dan slippery", "che duoc dan 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: (((("che duoc dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che duoc dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che duoc dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che duoc dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.