Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung cu le snippets" » "nhung cu code snippets", "nhung cau le snippets", "nhung chu le snippets", "chung cu le snippets", "nhung cua le snippets", "nhung vu le snippets", "nhung tu le snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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