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