Perhaps you should try some spelling variations:
"dang trinh java snippets" » "dang tinh java snippets", "dan trinh java snippets", "dong trinh java snippets", "dang trinh java slippers"
"dong cho code snippets" » "dung cho code snippets", "dong co code snippets", "dong hoc code snippets", "dong cho cong snippets", "dong cfd code snippets", "dong cho con snippets", "dong cho code slippers"
"locating bug code 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.

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