Use keywords and synonyms:
Use truncation:
You can broaden your search results by typing an asterisk symbol * at end of the root of a word. When you do this, the computer will search for alternative endings for the word you have typed.
For example compet* yields results for:
compete competed competes competition competitive
A general database covering many areas of academic study. Find articles from over 7,000 full-text periodicals and abstracts from more than 11,000 additional journals.