Perhaps you should try some spelling variations:
"dang tinh java snippets" » "dang dinh java snippets", "dang sinh java snippets", "dang vinh java snippets", "dang trinh java snippets", "dang think java snippets", "dang tinh va snippets", "dang tinh java slippers"
"dung cfd code snippets" » "dung cho code snippets", "dung cua code snippets", "dung co code snippets", "dung cfd core snippets", "dung cfd code slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 cfd code snippets") or ("dang tinh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cfd code snippets") OR ("dang tinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cfd code snippets ) or ( dang tinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cfd code snippets") or ("dang tinh java snippets"))) or ("locating bug code snippets"))*.