Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"linh cao hon snippets" » "tinh cao hon snippets", "dinh cao hon snippets", "binh cao hon snippets", "linh cao son snippets", "linh cao hoc snippets", "linh ca hon 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: (((("linh cao hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("linh cao hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( linh cao hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("linh cao hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.