Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran dao noi snippets" » "tran dam noi snippets", "tran day noi snippets", "tran dang noi snippets", "tran dau noi snippets", "tran dao voi snippets", "tran nao noi 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 dao noi 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 dao noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran dao noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran dao noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.