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"
"dung thi nhap slippers" » "dung tai nhap slippers", "dung tri nhap slippers", "dung chi nhap slippers", "dung thu nhap slippers", "dung thi phap slippers", "dung thi chap slippers", "dung thi nhap slippery", "dung thi nhap grippers"
"locating bug code 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: (((("using 3d code snippets") or ("dung thi nhap slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using 3d code snippets") OR ("dung thi nhap slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using 3d code snippets ) or ( dung thi nhap slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using 3d code snippets") or ("dung thi nhap slippers"))) or ("locating bug code snippets"))*.