Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung nhat doi snippets" » "dung nhat code snippets", "dung nhan doi snippets", "dang nhat doi snippets", "dung nha doi snippets", "dung hat doi snippets", "dung nhat moi snippets", "dung nhat loi snippets"
"dung java java snippets" » "dung va java 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 nhat doi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung nhat doi snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung nhat doi snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nhat doi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.