Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han cac dan slippers" » "phan cac dan slippers", "hang cac dan slippers", "hanh cac dan slippers", "han cac dan slippery", "han cac 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: (((("han cac 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: (((("han cac dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han cac dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han cac dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.