Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets", "locating bung code slippers"
"using cfd code snippets" » "using 3d code snippets", "using c code snippets", "using cfd code slippers"
"manh tung code snippets" » "manh hung code snippets", "thanh tung code snippets", "manh bug code snippets", "manh tung 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: (((("using cfd code snippets") or ("manh tung code snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using cfd code snippets") OR ("manh tung code snippets"))) OR ("locating bung code snippets")).
• Removing quotes may allow a broader search: (((( using cfd code snippets ) or ( manh tung code snippets ))) or ( locating bung code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using cfd code snippets") or ("manh tung code snippets"))) or ("locating bung code snippets"))*.