Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc gia cua snippets" » "thuc giai cua snippets", "thue gia cua snippets", "thuc dia cua snippets", "thuc gian cua snippets", "thuc giau cua snippets", "thuc gia cuc 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: (((("thuc gia cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc gia cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc gia cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc gia cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.