Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nha cao hon snippets" » "nha cao son snippets", "nha cao hoc snippets", "nha ca hon snippets", "nhan cao hon snippets", "nhat cao 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: (((("nha 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: (((("nha cao hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nha cao hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nha cao hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.