Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lap van hang snippets" » "lap van khang snippets", "lap van hoang snippets", "lap van thang snippets", "lap va hang snippets", "tap van hang snippets", "lap ban hang snippets"

Try widening your search to All Fields.

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