Perhaps you should try some spelling variations:
"dat dan chan snippets" » "dat dan code snippets", "dat dan gian snippets", "dat dan ca snippets", "dat van chat snippets", "dat dai chan snippets", "dao dan chan snippets", "hat dan chan snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"

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 ("dat dan chan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dat dan chan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dat dan chan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dat dan chan snippets"))) or ("locating bug core snippets"))*.