Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua su hoan snippets" » "lua su han snippets", "lua vu hoan snippets", "lua thu hoan snippets", "luat su hoan snippets", "qua su hoan snippets", "cua su hoan 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 su hoan 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 su hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua su hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua su hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.