Need optimisation

SELECT
*
FROM `tvs_languages`
LEFT OUTER JOIN `tvs_languages_vals` ON `tvs_languages`.`id` = `tvs_languages_vals`.`lang`
LEFT OUTER JOIN `tvs_elements` ON `tvs_languages`.`id` = `tvs_elements`.`lang`
LEFT OUTER JOIN `tvs_boxes` ON `tvs_elements`.`id` = `tvs_boxes`.`element`
LEFT OUTER JOIN `tvs_boxes_vals` ON `tvs_elements`.`id` = `tvs_boxes_vals`.`element`
LEFT OUTER JOIN `tvs_slides` ON `tvs_languages`.`id` = `tvs_slides`.`lang`
LEFT OUTER JOIN `tvs_slides_vals` ON `tvs_slides`.`id` = `tvs_slides_vals`.`slide`
LEFT OUTER JOIN `tvs_padaliniai` ON `tvs_languages`.`id` = `tvs_padaliniai`.`lang`
LEFT OUTER JOIN `tvs_voting` ON `tvs_languages`.`id` = `tvs_voting`.`lang`
LEFT OUTER JOIN `tvs_voting_vals` ON `tvs_elements`.`id` = `tvs_boxes_vals`.`element`
LEFT OUTER JOIN `tvs_klausimai` ON `tvs_padaliniai`.`id` = `tvs_klausimai`.`tipas`
WHERE `tvs_languages`.`id` = 1