Perhaps you should try some spelling variations:
native studie » native studies, native rstudio, normative studie
das filosofia » da filosofia, la filosofia, di filosofia
da literature » a literature, da literatura, la literature
yeast native » yeast mating, yeast live, yeast noise
filosofia da » filosofia de, filosofia del, filosofia e
studie das » studie des, studie der, studie am