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