The phrase "assistance in making" is correct and usable in written English.
It can be used when referring to help or support provided in the process of creating or producing something.
Example: "We offer assistance in making your project a success by providing resources and expert advice."
Alternatives: "help with creating" or "support in producing".
But the strike will cause delays in reaching directory assistance, in making operator-assisted calls, in contacting business representatives and in having telephone service repaired or new lines installed.
The police have offered her assistance in making her home secure.
When Reding meets brokers like Barnette, he openly tells them that he appreciates their assistance in making new contacts.
"Any assistance in making a diagnosis is welcome, but it does have to come with a health warning.
Judges may also accept assistance in making up their minds, like free meals from restaurants and free trips from government tourism boards eager to raise their country's culinary profile.
The solid phase is described reasonably well with harmonic analysis, but when using conventional simulation methods this good starting point provides no assistance in making simulations faster or more efficient.
They also want travellers in difficulty to be given information on health services and consular assistance or help in making alternative travel arrangements.
These women are charged with providing impartial assistance to PNMs in making choices about selecting membership in NPC organizations.
The Bass model is widely used as a utility to provides decision-making assistance to the managers in making pre-launch, launch and post-launch strategic choices.
The Secretary shall use the most recent and relevant data concerning the number and percentage of students receiving need-based assistance under subchapter IV in making eligibility determinations and shall advance the base-year for the determinations forward following each annual grant cycle.
One of the goals is to hopefully seek the assistance of the Chinese government in making sure he is shut down".
