Valmiki Ramayana Kishkindha Kanda Sarga 35 Shloka 20
Original Shlokaतांश्च प्रतीक्षमाणोऽयं विक्रान्तात्सुमहाबलान्। राघवस्यार्थसिध्यर्थं न निर्याति हरीश्वरः।।4.35.20।।
1 source checked for this shloka
विक्रान्तां powerful, अयम् this, हरीश्वरः Sugriva, महाबलान् strong, तान् them, राघवस्य for Rama's, अर्थसिध्यर्थम् to accomplish his task, प्रतीक्षमाणः awaiting, न निर्याति not yet started.
'Sugriva is awaiting the arrival of the powerful and strong vanaras without whose help he cannot accomplish Rama's task.Therefore he has not yet started (the search).