Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thac con cua snippets" » "thuc con cua snippets", "thai cong cua snippets", "tac can cua snippets", "thac cong cua snippets", "thac co cua snippets", "thac dong cua 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: (((("thac con 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: (((("thac con cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thac con cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thac con cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.