Perhaps you should try some spelling variations:
"phap cau code snippets" » "phan cau code snippets", "pha cau code snippets", "phap ca code snippets", "phap cau cong snippets", "phap cau de snippets", "phap cfd code snippets", "phap cau code slippers"
"dung cho code snippets" » "dung cho cong snippets", "dung cfd code snippets", "dung cho con snippets", "dung 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: "((((\"phap cau code snippets\") OR (\"dung cho code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( phap cau code snippets ) OR ( dung cho code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("phap cau code snippets") OR ("dung cho code snippets"))) OR ("locating bug code snippets"))*.