Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung ban toi snippets" » "dung san toi snippets", "dung dan toi snippets", "dong ban toi snippets", "dung ban thoi snippets", "dung ban moi snippets", "dung ban thi 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: (((("dung ban toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung ban toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ban toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ban toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.