Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan trao ho snippets" » "luan tranh ho snippets", "tan trao ho snippets", "luan khao ho snippets", "luan trao tho snippets", "luan tao ho snippets", "luan trac ho 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: (((("luan trao ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan trao ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan trao ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan trao ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.