Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thue ke cach snippets" » "thie ke cach snippets", "thua ke cach snippets", "thuc ke cach snippets", "thue ke mach snippets", "thue ve cach snippets", "thue ky 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: (((("thue ke 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: (((("thue ke cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thue ke cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thue ke cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.