Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sieu van chi snippets" » "hieu van chi snippets", "su van chi snippets", "lieu va chi snippets", "sieu van chien snippets", "sieu luan chi snippets", "sieu van chat 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: (((("sieu van chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sieu van chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sieu van chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sieu van chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.