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