Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lanh tu cong snippets" » "anh tu cong snippets", "danh tu cong snippets", "hanh tu cong snippets", "lanh thu cong snippets", "lanh te cong snippets", "lanh tai 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: (((("lanh tu cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lanh tu cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lanh tu cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lanh tu cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.