Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao ngoc hon snippets" » "van ngoc hon snippets", "ma ngoc hon snippets", "mai ngoc hon snippets", "cao ngoc hoan snippets", "cao ngoc hoa snippets", "cao ngoc son 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: (((("cao ngoc 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: (((("cao ngoc hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao ngoc hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao ngoc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.