Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using real code snippets" » "using metal code snippets", "using raw code snippets", "using real code slippers"
"van dung code snippets" » "van dung cong snippets", "van dung co snippets", "van dung de snippets", "van dong code snippets", "xay dung code snippets", "tin dung code snippets", "van dung code slippers"

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 ("van dung code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using real code snippets") OR ("van dung code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using real code snippets ) or ( van dung code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using real code snippets") or ("van dung code snippets"))) or ("locating bugs code snippets"))*.