Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran ban voi snippets" » "tranh ban voi snippets", "tran van voi snippets", "toan ban voi snippets", "tran ban moi snippets", "tran ba voi snippets", "tran ban 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 ban voi 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 ban voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran ban voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran ban voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.