I'm sorry, i just imported the combinations. I have no any image and product, so i can't show you much. I just opened the combinations tab in the BO, and saw, that combinations were imported. Actually, i didn't imported all of them because had to go off the office. I can do complete import again within 2 hours.
So, the process is following:
1. In the l.o. calc i open .ods and chose file->save as... , save dialog appears. I set the flag "edit filter settings"
2. In the filter settings dialog i chose a ^ sign as a field delimiter (just because it used rarely, so will avoid possible ambiguities like with commas, semicolons, quotes, et c.), and semicolon as a text delimiter. Also i set the flag "Quote all text cells"
3. After tis the impirt process is made as usual in the TB's BO.
I've figured out, that your file's column structure does not match with one required by TB's BO import tool