Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao cong de snippets" » "trao cong de snippets", "cao cong de snippets", "vao cong de snippets", "tao cong da snippets", "tao cong ve snippets", "tao cong dieu 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: (((("tao cong de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao cong de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao cong de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao cong de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.