Perhaps you should try some spelling variations:
"using 3d code snippets" » "using 3 code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets", "using 3d code slippers"
"dung mat dan snippets" » "duong mat dan snippets", "dung dat dan snippets", "dung may dan snippets", "dung hat dan snippets", "dung luat dan snippets", "dung mat bang snippets", "dung mat dan slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("using 3d code snippets") or ("dung mat dan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using 3d code snippets") OR ("dung mat dan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using 3d code snippets ) or ( dung mat dan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using 3d code snippets") or ("dung mat dan snippets"))) or ("locating bug code snippets"))*.