Perhaps you should try some spelling variations:
"using cfd core snippets" » "using 3d core snippets", "using c core snippets", "using cfd code snippets"
"dung ung java snippets" » "dung trung java snippets", "dung quang java snippets", "dung chung java snippets", "dung using java snippets", "dung ngu java snippets", "dung ung va snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using cfd core snippets\") OR (\"dung ung java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using cfd core snippets ) OR ( dung ung java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using cfd core snippets") OR ("dung ung java snippets"))) OR ("locating bug code snippets"))*.