Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"tran doan code snippets" » "trang doan code snippets", "tan doan code snippets", "tran hoan code snippets", "tran doan code slippers"
"dung cho code snippets" » "dung cho cong snippets", "dung cfd code snippets", "dung cho con snippets", "dung cho code slippers"

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: (((("tran doan code snippets") or ("dung cho code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran doan code snippets") OR ("dung cho code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( tran doan code snippets ) or ( dung cho code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran doan code snippets") or ("dung cho code snippets"))) or ("locating bugs code snippets"))*.