Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lap quan sat snippets" » "tap quan sat snippets", "la quan sat snippets", "lap luan sat snippets", "lap quan ha snippets", "lap quan tai snippets", "lap luan san snippets"

Try widening your search to All Fields.

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