Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bang su cao snippets" » "dang su cao snippets", "ban su cao snippets", "nang su cao snippets", "bang cu cao snippets", "bang vu cao snippets", "bang su co 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: (((("bang su 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: (((("bang su cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bang su cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bang su cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.