Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phong bat cu snippets" » "phong bat code snippets", "phong mat cu snippets", "phong ban cu snippets", "phuong bac cu snippets", "phong bat cua snippets", "phong bat hu snippets", "phong bat tu snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("phong bat cu snippets"))) or ("locating bug core snippets"))~.
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