The phrase "assist however" is correct and usable in written English.
It can be used to indicate that assistance will be provided in any manner or under any circumstances.
Example: "I am here to assist however I can, whether it's with research or administrative tasks."
Alternatives: "help in any way" or "provide support regardless".
"They're going to assist however they're needed," Venable said.
Cameron and the west turn a blind eye to this aggression while preferring to accept an open-ended commitment to assist, however ineffectively, in the hopeless task of meeting the needs of the never-ending flood of pitiful refugees which that aggression causes.
Local college students volunteered to assist; however, management, support, and health and safety considerations meant their offer was declined.
As I've always believed in making space for new leaders as quickly as possible, this announcement is effective immediately and I will assist however needed with the transition.
Human behavior is complex and we are only just starting to unravel the processes involved and investigate ways in which the computer can assist, however the final section supports the prospect that visual analytics, in particular, can counter some of the more common cognitive errors, which have been proven to be so costly.
"My department will do all we can to assist, however, we need the university to clearly establish the precise extent of the problem and how they intend to address it and, after that, to ensure that a similar incident will not happen again".
They are there to assist you, however, they also have many other guests who need assistance as well.
For example, the provision of text scenarios to support students with leading into the tasks was thought to assist students; however, for students who experienced difficulties with reading, the provision of written scenarios proved a challenge.
Only Philip the Good, Duke of Burgundy responded but under the condition that a powerful monarch assist him; however, none would do so.
If you are unsure what a question is asking, a Court Clerk can assist you; however, clerks cannot give legal advice, and therefore can only provide a limited amount of assistance.
He did have three assists, however, two more than he averaged in two seasons in Philadelphia.
