Here are some tips, examples and suggestion to help and guide you:

• You can select 'begins with' and enter 'cotton' as search term and specify entity type as 'plant'. Compare this with selecting 'name containing word' and leaving the entity type as 'Any'. The former search approach will find all entities of the type plant in the CA domain while the second approach will find all entities that include the word 'cotton' in their name such as 'cotton aphid' (type = arthropod).
• Please note that these kinds of search operations are only possible in a relational database. You will not find these kinds of options and capabilities in wikipedia;
• This search 'panel' is a simplified version of the full set of EcoPort search functions.