To get the FindIt@MU button in Google Scholar:
Ex. buddhis* - finds buddhist, buddhism, buddhists.
When looking for words with varient spellings, OR is your friend. It works like "any of these words" in an advanced search.
Ex. daodejing OR dao de jing OR tao te ching
When narrowing your search, AND is your friend. It works like "all the words" in an advanced search.
Ex. japan* AND body AND gender*
If your search is complex, parentheses often work.
Ex. japan* AND (body OR bodies) AND (gender* OR female OR women OR femini*)