Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat dan voi snippets" » "luat dat voi snippets", "luat doanh voi snippets", "cua dan voi snippets", "luat dan hoi snippets", "luat ban voi snippets", "luat da voi 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: (((("luat dan 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: (((("luat dan voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat dan voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat dan voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.