Perhaps you should try some spelling variations:
"dang van trong snippets" » "dang van truong snippets", "dang vang trong snippets", "dang ban trong snippets", "hoang van trong snippets", "hang va trong snippets", "dang van trong slippers"
"using a code snippets" » "using a core snippets", "using a code slippers"
"locating bug code snippets" » "locating bug core 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 a code snippets") or ("dang van trong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a code snippets") OR ("dang van trong snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("dang van trong snippets"))) or ("locating bug code snippets"))*.