Shaykh Yasir Qadhi acquaints us with the following Dua made by Musa AS.
"My Lord, indeed I am, for whatever good You would send down to me, in need."
[Surah Al Qasas, verse 24]
The context of this Dua is the famous story of Musa AS fleeing from Firaun. Listen intently to fully fathom the scene of the story that prompted this Dua.
Mechanisms of Tawassul - to magnify the effectiveness of any Dua:
By increasing one’s own righteous deeds when making Dua to Allah.
To mention in our Dua the dire straits one is in to elicit sympathy so that we can appeal to Allah effectively.