looking for a weed

oohhh.. i'm so tired ..today, i have been looking for a weed, and it's so hard to find. i need three hours to find it. but i thankful to god finally i found that.....

Correction:

'Ooooh, I'm so tired! Today, I have been looking for a weed(?) which is/was very hard to find. It took me three hours to find it, but thank god I finally found it.'

or ...'It took three hours for me to find it, but I'm thankful to god that I finally found it.'

hope it helps :)

-hana