Ye looked for much. — Literally, There has been a turning about for much.
I did blow upon it — scil., for the purpose of dispersing it. Even the little that was brought into the garner was decimated by God’s continued disfavour.
Related Commentaries of Haggai 1:9
Haggai 1:9
9 Ye looked for much, and, lo, it came to little; and when ye brought it home, I did blowe upon it. Why? saith the LORD of hosts. Because of mine house that is waste, and ye run every man unto his own house.