Valmiki Ramayana Sundara Kanda Sarga 5 Shloka 23
Original Shlokaन त्वेव सीतां परमाभिजातां पथि स्थिते राजकुले प्रजाताम्। लतां प्रपुल्लामिव साधु जातां ददर्श तन्वीं मनसाभिजाताम्।।5.5.23।।
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परमाभिजाताम् born in a noble family, पथि on the right path, स्थिते abiding by, राजकुले in a royal family, प्रजाताम् born, साधु excellent,जाताम् born,प्रपुल्लाम् blossoming, लताम् इव like a creeper, तन्वीम् a delicate beautiful lady, मनसा through his mind, अभिजाताम् of noble descent, सीतां तु and Sita, न ददर्श not seen.
Hanuman could not find Sita anywhere, an excellent lady born in a noble royal family, adopting the right path, a lady delicate like a blossoming creeper of good breed, or so he imagined.