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