Perhaps you should try some spelling variations:
"tranh cfd code slippers" » "tranh cua code slippers", "tranh cac code slippers", "tranh cai code slippers"
"cuong cac code snippets" » "luong cac code snippets", "cong cac code snippets", "trong cac code snippets", "cuong cac cong snippets", "cuong cac co snippets", "cuong cac che snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tranh cfd code slippers") or ("cuong cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tranh cfd code slippers") OR ("cuong cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tranh cfd code slippers ) or ( cuong cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tranh cfd code slippers") or ("cuong cac code snippets"))) or ("locating bug code snippets"))*.