Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran bi dong snippets" » "trang bi dong snippets", "tran bai dong snippets", "tran si dong snippets", "tran bi cong snippets", "tran di dong snippets", "tran bien dong 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: (((("tran bi dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran bi dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran bi dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran bi dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.