Perhaps you should try some spelling variations:
"dung tphang code slippers" » "dung thang code slippers", "dung phan code slippers", "dung khang code slippers"
"hanh cfd code snippets" » "hanh cad code snippets", "hanh cac code snippets", "hanh cat code snippets"
"locating bug code snippets" » "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: (((("hanh cfd code snippets") or ("dung tphang code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh cfd code snippets") OR ("dung tphang code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh cfd code snippets ) or ( dung tphang code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh cfd code snippets") or ("dung tphang code slippers"))) or ("locating bug code snippets"))*.