Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tung dan cao snippets" » "dung dan cao snippets", "huong dan cao snippets", "trung dai cao snippets", "tung dan ca snippets", "tung dam cao snippets", "tung dan bao 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: (((("tung dan cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tung dan cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung dan cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung dan cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.