Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuc gia cua snippets" » "chuc giao cua snippets", "thuc giai cua snippets", "duc gia cua snippets", "chuc gian cua snippets", "chuc giau cua snippets", "chuc 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: (((("chuc 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: (((("chuc gia cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuc gia cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuc gia cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.