Tā fānténg le bàntiān zhōngyú zhǎodào le nà běn shū.
She rummaged around for a long time and finally found the book.
Tips
usage
翻腾 has three distinct uses: (1) physical churning of water or objects; (2) emotional turbulence (心里翻腾); (3) rummaging through things. Context makes the meaning clear.