chia lửa

Vietnamese Wikipedia has an article on:

Chia lửa (quân sự)

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chia (“divide; share”) +‎ lửa (“fire”).

• (Hà Nội) IPA^(key): [t͡ɕiə˧˧ lɨə˧˩]
• (Huế) IPA^(key): [t͡ɕiə˧˧ lɨə˧˨]
• (Saigon) IPA^(key): [ciə˧˧ lɨə˨˩˦]

chia lửa

1. (military) a kind of field maneuver used to divert enemy hostile pressure to another area

chia lửa

1. (figurative) to help out in order to relieve the pressure on others