Based on the available information, the film "Jdi za štěstím" does not appear to feature any identifiable LGBTQ+ characters or themes. Therefore, no specific portrayal, positive or negative, can be evaluated.

The film "Jdi za štěstím" (1982) does not feature any identifiable transsexual characters or themes in its narrative. The plot focuses on a young heterosexual couple and their relationship challenges, with no elements related to transgender identity.

The movie does not contain any action or adventure elements.

This film is an original screenplay, not an adaptation of existing material or a biopic. Its characters are new creations for the film, thus there is no prior canonical or historical gender to swap.

There is no evidence that "Jdi za štěstím" (1982) is an adaptation of a work with canonically established character races, nor does it feature historical figures whose race was altered. The film's characters are not known to have pre-existing racial definitions that were changed.