Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua banh chi snippets" » "cua banh chi snippets", "luat canh chi snippets", "luan danh chi snippets", "lua danh cho snippets", "lua dinh chi snippets", "lua bao chi snippets"
"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 banh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua banh chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua banh chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua banh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.