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