Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 8 · Marriage
विवाहः
स्त्रीद्रेष्काणः स्त्रीनवांशे युग्मलग्नं समागतम् ।वीक्षितं चंद्रशुक्राभ्यां कन्यालाभो भवेत्तदा ॥ ४०३ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 403.
Say the lagna (rising sign) is an even sign. It is in a woman's drekkana (one-third part of a sign) and a woman's navamsha (one-ninth part of a sign). The Moon and Venus look at it. Then a bride is got.
Simple meaning: An even-sign lagna in female parts, seen by the Moon and Venus, brings a bride.
एवं स्त्रीणां भर्तृलब्धिः पुंलग्ने पुंनवांशके ।
A male-sign lagna looked at by male planets brings a husband to a woman.
कृष्णपक्षे प्रश्नलग्नाद्यस्य राशौ शशी यदा ।
A weak Moon in the dark half, hit by a bad planet or in the 8th, stops a match.
पुण्यैर्निमित्तशकुनैः प्रश्नकाले तु मंगलम् ।
Good omens at the time of the question bring good, and bad omens bring bad.