Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc doi hong snippets" » "hoc doi code snippets", "hoc doi phong snippets", "hoc doi song snippets", "hoc do hong snippets", "hoc dai hong snippets", "hoc noi hong snippets", "hoc moi hong snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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