Jeff Lerner gives us three common and easy-to-solve AdWords issues that could cost marketers time and money. He lists the problems, explains why this happens, and serves up the solutions. Here's one example of a problem and why it happens. Problem: Broad matched keywords yield low conversion rates and phrase/exact match keywords lack impressions. Why it happens: Broad matched keywords link to too many irrelevant search queries, and tightly matched keywords omit relevant search queries. The solution: Modified broad match.