1. State your research question in a clear sentence.
I’d like to study microeconomics of the agriculture industry in Japan .
2. Identify the concepts in your research question.
microeconomics and agriculture and industry and Japan.
3. Think of related terms (connected by or) which might also describe your concepts.
(microeconomics or supply or demand) and (agriculture or farming or husbandry) and (industry or business or companies
or firms) and (Japan or Hokkaido or Honshu)
4. Apply special features and put together your statement
(microeconomic* or supply or demand) and (agricultur* or farm*or husbandry) and (industr* or business* or companies or
firms) and (Japan or Hokkaido or Honshu)
Note that parentheses are only needed when "OR" strings and ANDs are linked in the same box.