Here's an example of how
Suppose we set a keyword "Ford Fox makeover"
1. Exact match:
Ford Forks Makeover (search term exactly the same as the keyword literal)
2. Phrase matching:
Precise inclusion – Ford's Fox makeover, Beijing Ford Fox Makeover (exact match + full keyword)
Synonymous inclusions – Ford's Fox makeover, Beijing Ford Fox Makeover, Ford White Fox makeover, Retrofit Ford Fox, Ford Forks Retrofit (precise inclusion + keyword insertion, reversal and synonymous form)
Core inclusions-Ford Focus makeover, Beijing Ford Focus Makeover, Ford White Fox makeover, Ford Fox Retrofit, Ford Focus retrofit Fox Makeover, White classic Fox makeover, white Fox Refit (synonymous with + insert with key word core or core section, and the keyword Insert inverted form phrase) , and support synonym matching)
3. Wide range of matches:
Ford Fox Makeover, Beijing Ford Fox Makeover, Ford White Fox makeover, Ford Fox retrofit, Ford Fox retrofit, Fox makeover, White classic Fox makeover, white Fox retrofit, Ford related variants (exact match + phrase match + keyword related variant form)
Baidu bidding in the exact match, phrase matching, broad match what is the difference.