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