A dictionary may help. :) Some teachers on italki offer a reading and writing course. Spelling class was my favorite class in grade school through high school. We had 30 words per week to memorize the correct spelling. Type a word in google search. Look at the definition it offers and see if that was the correct word you were looking for. Write a few sentences using that word and let italki teachers correct your English.

you can learn with native speakers from others country that use English language. that's very good to help you learn how to spelling English.

ROFL. Ok, if you're looking for some wonderful system of spelling based on the pronunciation, it's not really there. Your best option is to realise that English has taken words from many other languages, so the spelling only makes sense "in context". Once you have that understood, you'll find spelling surprisingly easy. :)

read many books in English so that you can recognize each word and hopefully memorize how to spell it. Also, you will be able to tell whether or not they are spelled wrong because it will not look right.