Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat cho can snippets" » "luat pho can snippets", "xuat chao can snippets", "luat bao can snippets", "luat cho cac snippets", "luat cho phan snippets", "luat cho cong 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: (((("luat cho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat cho can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat cho can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat cho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.