You may wish to search in a web engine like Google and limit to a domain such as .edu or .org. Some of these resources may not be indexed in databases.
Google supports site:.edu OR site:edu (without the period).
Terms such as pedagogy, effective, "teaching and learning", methodology, "best practices", strategy may get you to resources that are not merely about an instructional need but rather address strategies for approaching it.
Sample Searches in Google:
"history of higher education" site:edu
"office hours" improve site:.edu
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