It looks up multiple dictionaries to display a screen with matched MTL, along with English, and harnji. For pronunciation, click on the 'dark head' icon.
If it does not, check your spelling. If you are sure the spelling is correct, and nothing matched. Chances are the words are new to the dictionary.
You may also search in the following fashion:
(Note: cut and pasted the following text to your browser, and replace the word after 'q=')
https://learntaiwanese.org/MTLtoolbox/index.php?q=otofbae
https://learntaiwanese.org/MTLtoolbox/TEdict.php?dic=DFT&q=thj:電腦