Which of these two searches can an ad show for broad match keyword"car window repair?"Choosetwo.

Broad match keywords allow your ads to show for searches that are related to your keyword, even if the search terms don't exactly match the keyword. "Replace car window" is a close variation of "car window repair" as it describes the same service using different but synonymous words. Similarly, "automobile glass replacement" uses synonyms ("automobile" for "car," "glass" for "window," and "replacement" for "repair") to describe the same core service. "Cars for sale" and "second-hand cars for sale" are incorrect because they refer to purchasing vehicles, not repairing them, and are therefore not relevant to the keyword "car window repair.