Perhaps you should try some spelling variations:
"dang dan trinh slippers" » "dang dan tinh slippers", "dang van trinh slippers", "dang hanh trinh slippers", "dang dang trinh slippers", "dung dan trinh slippers", "dang dan trinh slippery", "dang dan trinh grippers"
"dung cfd code snippets" » "dung cho code snippets", "dung cua code snippets", "dung co code snippets", "dung cfd core snippets"
"locating bug code snippets" » "locating bug core 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: (((("dang dan trinh slippers") or ("dung cfd code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang dan trinh slippers") OR ("dung cfd code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang dan trinh slippers ) or ( dung cfd code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang dan trinh slippers") or ("dung cfd code snippets"))) or ("locating bug code snippets"))*.