Perhaps you should try some spelling variations:
communication equipment » communications equipment, telecommunication equipment, communication efficient
dynamics dimensional » dynamic dimension, kinematics dimensional, mechanics dimensional
equipment dynamics » recruitment dynamics, sediment dynamics, equipment details
data layered » data latere, data gathered, a layered
data latest » data latent, data test, data rates
data laser » data latere, data bases, data base

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication equipment dynamics dimensional ((((data laser) or (data layered))) or (data latest))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication equipment dynamics dimensional ((((data laser) OR (data layered))) OR (data latest)).
• Adding a wildcard symbol may retrieve word variants: communication equipment dynamics dimensional ((((data laser) or (data layered))) or (data latest))*.