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