Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoang ha doi snippets" » "hoang ha code snippets", "hoang hai doi snippets", "hong ha doi snippets", "hoang nham doi snippets", "hoang hoa doi snippets", "hoang hat doi snippets", "hoang ha noi 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: (((("hoang ha doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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