Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran bia hoi snippets" » "tran gia hoi snippets", "tran binh hoi snippets", "tran gian hoi snippets", "tran bia khoa snippets", "tran bia chai 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 bia hoi 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 bia hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran bia hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran bia hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.