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