The word(s) "thieves" appears 2 time(s) in 2 verse(s) in Quran in Muhammad Pickthal translation.

(1) And when he provided them with their provision, he put the drinking-cup in his brother's saddlebag, and then a crier cried: O camel-riders! Lo! ye are surely thieves!

(سورة يوسف, Yusuf, Chapter #12, Verse #70)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) They said: By Allah, well ye know we came not to do evil in the land, and are no thieves.

(سورة يوسف, Yusuf, Chapter #12, Verse #73)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)