Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using cfd code snippets" » "using 3d code snippets", "using c code snippets", "using cfd code slippers"
"dong anh trac snippets" » "hong anh trac snippets", "dong thanh trac snippets", "hoang anh trac snippets", "dong sinh trac snippets", "dong anh tuan snippets", "dong anh thuc snippets", "dong anh trac slippers"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using cfd code snippets") OR ("dong anh trac snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using cfd code snippets ) or ( dong anh trac snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using cfd code snippets") or ("dong anh trac snippets"))) or ("locating bugs code snippets"))*.