Perhaps you should try some spelling variations:
"using real code snippets" » "using metal code snippets", "using raw code snippets", "using real core snippets"
"dung cho con snippets" » "dung cho cong snippets", "dung cho lon snippets", "dung cho can snippets"
"locating bug code snippets" » "locating bug core 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 real code snippets") or ("dung cho con snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using real code snippets") OR ("dung cho con snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using real code snippets ) or ( dung cho con snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using real code snippets") or ("dung cho con snippets"))) or ("locating bug code snippets"))*.