Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua thi hanh slippers" » "lua thi thanh slippers", "luan thi hanh slippers", "luat thi hanh slippers", "luc thi hanh slippers", "lua thi hanh slippery", "lua thi hanh 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 thi hanh 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 thi hanh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua thi hanh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua thi hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.