Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tan hoc con snippets" » "toan hoc con snippets", "than hoc con snippets", "van hoc con snippets", "tan hoc cong snippets", "tan hoc cuon snippets", "tan hoc co 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 ("tan hoc con snippets"))) or ("locating bugs code snippets"))~.
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