The phrase "and effectively try to" is correct and usable in written English.
It can be used when discussing efforts to achieve a goal or improve a situation, emphasizing both the attempt and the intention to do so in a successful manner.
Example: "We need to and effectively try to improve our communication strategies to enhance team collaboration."
Alternatives: "and make a concerted effort to" or "and strive to".
To everyone's surprise, one child demanded ownership of both houses and effectively tried to block his dumbfounded sibling from her share.
"It's clear that the family of Fabio is going to fight this and will effectively try to establish and hold to account those at the highest ranks of the chains of command that ordered soldiers to shoot that day".
Many pro-choice advocates are worried that Trump and his new VP would effectively try to eviscerate women's reproductive rights, as both have run on anti-abortion agendas.
This causes him to slow down so that other tacklers can more effectively try to tackle him.
So after the magnet is powered, that immediately begins a phase where we spend 9 months to a year iteratively changing little pieces of steel, adding little pieces of wire with currents flowing through them, where we effectively try to "shim" the magnetic field applying corrections to make it very, very uniform.
If you want to start praying effectively, try to set some time aside each day to pray.
The justification usually comes from a moral and security perspective, but in many cases these states have gone too far and have effectively tried to control public opinion by stifling dissent and criticism.
The award-winning writer behind The Thick of It and Veep has accused ministers of effectively trying to kill off the BBC and urged people to defend it against politicians and Rupert Murdoch.
Ivan Parkin, from UCL, who took part in the research, says: "We effectively tried to replicate the effect seen in the Lycurgus cup to recreate the extraordinary coloration efficiency that the Romans achieved".
As we retreated down the stairway there were people with iron bars and at least one with a machete effectively trying to chop the shields to bits.
