Perhaps you should try some spelling variations:
"dung trong code snippets" » "dung trong cong snippets", "dung trong co snippets", "dung trong che snippets", "dung trong code slippers"
"lang cao code snippets" » "nang cao code snippets", "lang co code snippets", "quang cao code snippets", "lang cao cong snippets", "lang cao de snippets", "lang cfd code snippets", "lang cao 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: "((((\"lang cao code snippets\") OR (\"dung trong code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( lang cao code snippets ) OR ( dung trong code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("lang cao code snippets") OR ("dung trong code snippets"))) OR ("locating bug code snippets"))*.