Perhaps you should try some spelling variations:
"dat qua cham snippets" » "dat qua code snippets", "dat qua hai snippets", "dat qua cac snippets", "dat va cham snippets", "dat quan cham snippets", "dat cua cham snippets", "dat hua cham 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 qua cham 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 qua cham snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dat qua cham snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dat qua cham snippets"))) or ("locating bug core snippets"))*.