The more complex your research topic, the more types of searches you will need to perform - this is a very normal part of research!
You can use this "formula" for advanced search design in library databases:
(click all images to enlarge)
(click on image to enlarge)
[enter your food name]
AND
history OR industry OR economics OR commodity OR agribusiness OR chain
[enter your food name]
AND
labor OR labour OR growers OR farmers OR farming OR ranchers OR ranching
[enter your food name]
AND
production OR processing OR manufacturing
[enter your food name]
AND
distribution OR export OR trade OR market OR broker OR regulation
[enter your food name]
AND
consumption OR retail OR marketing
[enter your food name]
AND
"social conditions" or "social aspects"
[enter your food name]
AND
culture OR cultural
[enter your food name]
AND
gender OR ethnic OR racial