Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan cac hoi snippets" » "nhan cach hoi snippets", "phan dau hoi snippets", "phan lap hoi snippets", "phan cac thoi snippets", "phan cac khoi snippets", "phan cau hoi 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: (((("phan cac 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: (((("phan cac hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan cac hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan cac hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.