Perhaps you should try some spelling variations:
advanced computation » advanced computations (Expand search), advanced computational (Expand search), advance computational (Expand search)
obstructive program » destructive program (Expand search), constructing program (Expand search), obstructive arterial (Expand search)
computation in » computation and (Expand search), computation of (Expand search), imputation in (Expand search)
in obstructive » of obstructive (Expand search), with obstructive (Expand search), apnea obstructive (Expand search)

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

• Adding a wildcard symbol may retrieve word variants: advanced computation in obstructive program*.