Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co trinh son snippets" » "co trinh code snippets", "co trinh song snippets", "co trinh san snippets", "co tinh son snippets", "co tranh son snippets", "cong trinh son snippets", "tao trinh son 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: (((("co trinh son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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