The phrase "a bigger bloc" is correct and usable in written English.
It can be used when referring to a larger group or coalition, often in a political or organizational context.
Example: "The negotiations aim to form a bigger bloc to strengthen our position in the upcoming elections."
Alternatives: "a larger coalition" or "a more substantial group".
"And on that matter, for example, I think it's fair to say that maybe at some point down the line there might be a UK-US trade agreement, but it's not going to happen any time soon because our focus is on negotiating with a big bloc, the European Union, to get a trade agreement done.
Sadr's soldiers were heavily implicated in the brutal sectarian violence of 2006 to 2008, but he has since renamed his army the Saraya al-Salam — the Peace Brigades — and now controls a big bloc in parliament as well as his own political party.
Hizbullah won a big bloc and was part of the elections, Hariri said.
Yet despite running a ramshackle campaign and alienating a big bloc of economic conservatives, Huckabee was the last man standing with McCain in the 2008 primaries.
The advantage for her and the CDU is that this "black-red" combination would be such a big bloc in the Bundestag, that whatever it decided would go through.
But the real news is that one of the biggest third parties in Iraq is run by Muqtada Al-Sadr, and his faction (likely because he explicitly told them, just prior to the election, not to boycott it this time around) just gained ten more seats, for a total of 39 seats -- quite a big bloc of votes.
He had hopes of building a much bigger bloc, but it has not happened, and he has also failed to win a single state.
"The East Europeans just have a bigger (voting) bloc," Norton said.
The National Assembly granted President Hugo Chávez broad powers on Friday to enact laws by decree, undermining the power of a new Congress that takes office next month with a bigger opposition bloc.
If the Conservatives get 10 more seats than Labour, but Labour has the bigger bloc overall, would the Tories retreat quietly into opposition allowing Miliband to head a minority government, tacitly sustained by the SNP?
