Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua doi canh snippets" » "lua doi hanh snippets", "lua boi canh snippets", "lua do canh snippets", "sua doi canh snippets", "quan doi canh 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 doi canh 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 doi canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua doi canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua doi canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.