Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tieu luc doi snippets" » "hieu luc doi snippets", "tien luc doi snippets", "tieu luan doi snippets", "tieu luoc doi snippets", "tieu lua doi snippets", "tieu luc moi 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: (((("tieu luc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tieu luc doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tieu luc doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tieu luc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.