Perhaps you should try some spelling variations:
irrigation requirements » irrigation equipment, nutrition requirements
cmodules linear » models linear, codes linear, modular linear
requirements 3 » requirements 13, requirements _, requirements a
modules linear » models linear
3 dimensions » _ dimensions, 2 dimensions, 3 dimensional
code linear » codes linear, model linear, some linear

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

• Performing a fuzzy search may retrieve terms with similar spellings: irrigation requirements 3 dimensions ((((cmodules linear) or (modules linear))) or (code linear))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: irrigation requirements 3 dimensions ((((cmodules linear) OR (modules linear))) OR (code linear)).
• Adding a wildcard symbol may retrieve word variants: irrigation requirements 3 dimensions ((((cmodules linear) or (modules linear))) or (code linear))*.