Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trong va dk snippets" » "trong va code snippets", "trong van dk snippets", "trong ca dk snippets", "trong cac dk snippets", "trong va de snippets", "trong va do snippets", "trong va du snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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