Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
mean communication » lean communication, modern communication, human communication
based instruction » radio instruction, assisted instruction
instruction pet » instruction set, instruction sets, instruction _
development en » developpement en, development menu, development eco
data mean » data map
pet data » det data, set data, debt data
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies based instruction pet data mean communication costs a development en afrique.*.