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