Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lua bat buoc snippets" » "lua dat nuoc snippets", "lua dat duoc snippets", "lua vat duoc snippets", "luat bat buoc snippets", "la bat buoc snippets", "luc bat buoc snippets"

Try widening your search to All Fields.

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