Perhaps you should try some spelling variations:
communication part » communication art, communication pt, communication partner
early development » energy development, healthy development, theory development
technology 2.2 » technology _, technology 1, technology 3
2.2 relative » 3.3 relative, _ relative, die relative
relative de » relative sea, relative age, relative _
china labor » china labour, china's labor, child labor
part early » start early, pot early, parents early
de prices » do prices, debt prices, set prices

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 relative de prices _ communication part early development china labor.*.