Are there absolutely no improvements you could make to your answer, the question, or any other post? Arbitrary bumping is frowned on (and can attract downvotes). Improving posts (along with some patience) is encouraged.
First, make sure you've asked a good question. To get better answers, you may need to put additional effort into your question. Edit your question to provide status and progress updates. Document your own continued efforts to answer your question. This will naturally bump your question and get more people interested in it.
See this related MSO question: Getting attention for unanswered questions?