Perhaps you should try some spelling variations:
balanced controls » advanced control, balancing control
model balanced » more balanced, model balancing, zones balanced
controls lng » controls nv, controls _, controls 3.1
can model » can models, cnn model, chain model
yang fan » zhang fan, yang dean, yang yang
yang yi » yang xi, yang jui
2 can » _ can, 3 can, 4 can
nr 2 » nr 1
plant » plants, plan, plans

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang yi) OR (yang fan))) OR (yang di))nr 2 can model balanced controls lng plant ;~.
• Adding a wildcard symbol may retrieve word variants: ((((yang yi) or (yang fan))) or (yang di))nr 2 can model balanced controls lng plant ;*.