及び => and; as well as ~ N2
たぶん => Maybe... N4
Speculation
ぶり => style; manner; way​ N1
たぶん => perhaps; probably N4
ようと思う/ようと思っている => thinking of doing; planning to ~ N3
と思う => I think N5
と思っている => Plan to do something N4
Plan
には[及「およ」]ばない => There is no need to A N1
Need/Requirements
かと思ったら/かと思うと => just when; no sooner than ~ N2
~ぶんには => If it's just within range...then N1
Scope
~ぶんには(~分には) => as long as ~ N1
~かと思いきや => contrary to expectations; or so we thought, but ~ N1
Things do not match the prediction