Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc vung co snippets" » "thuc dung co snippets", "thuc cung co snippets", "thuc vong co snippets", "thuc vung cho snippets", "thuc ung co 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 vung co 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 vung co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc vung co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc vung co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.