Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"de dang hoa snippets" » "de dang code snippets", "de dang hoai snippets", "de dang khoa snippets", "de dong hoa snippets", "da dang hoa snippets", "le dang hoa snippets", "de tang hoa snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

Try widening your search to All Fields.

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