Perhaps you should try some spelling variations:
"dao trong code snippets" » "dao trong cong snippets", "dao trong co snippets", "dao trong che snippets", "tao trong code snippets", "dat trong code snippets", "cay trong code snippets", "dao trong code slippers"
"dung rate code snippets" » "dung dat code snippets", "dung vat code snippets", "dung mat code snippets", "dung rate 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: "((((\"dao trong code snippets\") OR (\"dung rate code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dao trong code snippets ) OR ( dung rate code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dao trong code snippets") OR ("dung rate code snippets"))) OR ("locating bug code snippets"))*.