Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lan dan toan snippets" » "lan dan code snippets", "lan van toan snippets", "lan dan than snippets", "lan manh toan snippets", "ban dan toan snippets", "van dan toan snippets", "lan dau toan snippets"
"python using java snippets" » "python using data 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: (((("lan dan toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan dan toan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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