~やたらに => randomly; recklessly; blindly N1
Emphasis on degree
なにやら => something, some kind of N2
Vague
やなんか => Something like... N3
Vague
やらなにやら => In addition to the facts / things, there are many other things like that … N2
Demonstrate by example
やら~やら => A, B, ... (examples from a list) N2
Lists, Examples
…とやら => heard that~ N2
Heard
あまりに(も)~と / あんまりに(も)~と => too much; so much… that; excessively ~ N3
Extreme level
やら~やら => such things as A and B; A and B and so on ~ N2
...のやら => or ~ (I don't know) N1
Vague
とやら => or whatever, or something like that… N3
Vague
やなにか => the same, equivalent to N4
Demonstrate by example
どうやら => possibly; apparently; seems like; somehow; barely ~ N2