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