Perhaps you should try some spelling variations:
"using cointegration tests coding program" » "varying cointegration tests coding program" (Expand search), "using integrative tests coding program" (Expand search), "and cointegration tests coding program" (Expand search), "using cointegration tests cloning program" (Expand search), "using cointegration tests loading program" (Expand search), "using cointegration tests cooling programs" (Expand search), "using cointegration tests according program" (Expand search), "using cointegration tests modeling program" (Expand search), "using cointegration ests encoding 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 coping program" (Expand search), "using complex with cooking 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 tests coding program\"))~".
• Removing quotes may allow a broader search: (( using complex with coding program ) OR ( using cointegration tests coding program ))~.
• Adding a wildcard symbol may retrieve word variants: (("using complex with coding program") OR ("using cointegration tests coding program"))*.