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