Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc tham cuu snippets" » "duc tham code snippets", "duc pham cuu snippets", "duc kham cuu snippets", "duc tam cuu snippets", "duc cham cuu snippets", "duc tham cung snippets", "duc thai cua snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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