tìm thấy trong thiên nhiên 
to be found in nature [ tìm ] : to find, look for, seek
[ thấy ] : to see, perceive, feel
[ trong ] : during; in(side), among
[ thiên ] : (1) thousand; (2) partial (to), favorable, pro-(something); (3) heaven, sky, God, heavenly, divine, celestial; (4) (classifier for articles, novels, chapters); (5) to move, shift, change; (6) section, part, piece
Most Common Compounds Set 1:
Most Common Compounds Set 2 :