Perhaps you should try some spelling variations:
variance optimization » surface optimization (Expand search), engine optimization (Expand search), value optimization (Expand search)
programming coding » programming using (Expand search), programming code (Expand search), programming computing (Expand search)
optimization by » optimization _ (Expand search), optimization and (Expand search), optimization based (Expand search)
end programming » and programming (Expand search), cnc programming (Expand search), agent programming (Expand search)
coding program » cloning program (Expand search), loading program (Expand search), cooling programs (Expand search)
advanced end » advanced and (Expand search), advanced 3d (Expand search), advanced ckd (Expand search)
by coding » by codoping (Expand search), by cooling (Expand search), by coating (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: "(( variance optimization by coding program ) OR ( advanced end programming coding program ))~".
• Adding a wildcard symbol may retrieve word variants: (( variance optimization by coding program ) OR ( advanced end programming coding program ))*.