Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ngon vung ho snippets" » "ngon vung code snippets", "ngoc hung ho snippets", "ngoc dung ho snippets", "nuoc vung ho snippets", "ngon vung hoc snippets", "ngon vung cho snippets", "ngon vung kho snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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