...we may try to generate an improved title from anchors, on-page text, or other sources. However, sometimes even pages with well-formulated, concise, descriptive titles will end up with different titles in our search results to better indicate their relevance to the query. There’s a simple reason for this: the title tag as specified by a webmaster is limited to being static, fixed regardless of the query...
Google may decide whether to use or not your title and description.
But it will be nice if someone else with running tb store share his experience also, because it could be a bug.
What does the structure data testing tool says about your title and description?