Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"su thua cach snippets" » "su thuc cach snippets", "su thuat sach snippets", "su thuat canh snippets", "tu thua cach snippets", "nui thua cach 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: (((("su thua cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("su thua cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( su thua cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("su thua cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.