Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"khoa can code snippets" » "khoa cam code snippets", "khoa cap code snippets", "khoi can code snippets", "khoa can code slippers"
"dung cfd code snippets" » "dung cho code snippets", "dung cua code snippets", "dung co code snippets", "dung cfd 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: (((("khoa can code snippets") or ("dung cfd code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa can code snippets") OR ("dung cfd code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( khoa can code snippets ) or ( dung cfd code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoa can code snippets") or ("dung cfd code snippets"))) or ("locating bugs code snippets"))*.