Perhaps you should try some spelling variations:
"dot trong code snippets" » "dot trong cong snippets", "dot trong co snippets", "dot trong che snippets", "ro trong code snippets", "dot trong code slippers"
"dung chung code snippets" » "dung cong code snippets", "dung trung code snippets", "truong chung code snippets", "dung chung co snippets", "dung chung code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dot trong code snippets") or ("dung chung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dot trong code snippets") OR ("dung chung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dot trong code snippets ) or ( dung chung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dot trong code snippets") or ("dung chung code snippets"))) or ("locating bug code snippets"))*.