Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan thuc ro snippets" » "dan toc ro snippets", "am thuc ro snippets", "dan thuc co snippets", "dan thuc so snippets", "dan thuc vo 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 thuc ro 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 thuc ro snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan thuc ro snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan thuc ro snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.