Perhaps you should try some spelling variations:
factor interaction » actor interaction, actor interactions, factor integration
interaction series » interactions series, interaction studies, interaction terms
irrigation schemes » irrigation scheme, irrigation systems
deep irrigation » drip irrigation, delta irrigation, level irrigation
supply factor » supply factors, supply sector
support deep » supported deep, support de, support does

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply factor interaction series. ) or ( support deep irrigation schemes. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply factor interaction series. ) OR ( support deep irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (( supply factor interaction series. ) or ( support deep irrigation schemes. ))*.