Perhaps you should try some spelling variations:
"dung cay thuc snippets" » "dung cac thuc snippets", "dung may thuc snippets", "dung cam thuc snippets", "dung cay thuoc snippets", "dung can thuc snippets", "dung day thuc snippets", "dung cay thuc slippers"
"using _ code snippets" » "using _ code 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 _ code snippets") or ("dung cay thuc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using _ code snippets") OR ("dung cay thuc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using _ code snippets ) or ( dung cay thuc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using _ code snippets") or ("dung cay thuc snippets"))) or ("locating bug code snippets"))*.