Perhaps you should try some spelling variations:
"trong do canh snippets" » "trong do code snippets", "trong doi canh snippets", "trong dao canh snippets", "trong co canh snippets", "trong do sanh snippets", "trong do danh 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.

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