Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong doanh canh snippets" » "dong doanh code snippets", "dung doanh canh snippets", "trong doanh canh snippets", "doanh doanh canh snippets", "dong doanh anh snippets", "dong doanh doanh snippets", "dong doanh thanh 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 java java snippets") or ("dong doanh canh snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dong doanh canh snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dong doanh canh snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dong doanh canh snippets"))) or ("locating bug core snippets"))*.