You can also consult some general libguides for setting up a search, evaluating the results and managing the results.
The Utrecht University Library offers several online information skills training courses, Compass.
If you want to know more about searching for literature sources, or want to practice more with the different parts of a search strategy, go to www.uu.nl/en/compass.
This training consists of four modules of approximately 30 minutes. Together they form a complete introduction course on searching and finding information, but you can also go through the modules independently of each other:
Next to this basic skills training the library also offers the additional library skills modules: