Perhaps you should try some spelling variations:
"using cointegration theory using program" » "using integration theory using program" (Expand search), "using cointegration tests using program" (Expand search), "using cointegration test using program" (Expand search), "varying cointegration theory using program" (Expand search), "and cointegration theory using program" (Expand search), "using integrative theory using program" (Expand search), "using cointegration theory housing program" (Expand search), "using cointegration theory nursing program" (Expand search), "using cointegration theory aging program" (Expand search), "using cointegration memory using program" (Expand search)
"using complex with coding program" » "using complex with cloning program" (Expand search), "using complex with loading program" (Expand search), "using complex with cooling programs" (Expand search), "housing complex with coding program" (Expand search), "using computer with coding program" (Expand search), "using complexes with coding program" (Expand search), "using complex with cocaine program" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using complex with coding program\") OR (\"using cointegration theory using program\"))~".
• Removing quotes may allow a broader search: (( using complex with coding program ) OR ( using cointegration theory using program ))~.
• Adding a wildcard symbol may retrieve word variants: (("using complex with coding program") OR ("using cointegration theory using program"))*.