Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan thap ve snippets" » "dan than ve snippets", "danh phap ve snippets", "dan thanh ve snippets", "dan tap ve snippets", "dan phap ve 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: (((("dan thap ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan thap ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan thap ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan thap ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.