Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc dan soi snippets" » "thuc hanh soi snippets", "hoc dan soi snippets", "thuc vat soi snippets", "thuc dan hoi snippets", "thuc dan so snippets", "thuc dan soc 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: (((("thuc dan soi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc dan soi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc dan soi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc dan soi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.