Perhaps you should try some spelling variations:
technology simulation » technology regulation, ecology simulation, technology isolation
simulation duration » simulation relation, simulation imitation, simulation solution
communicative die » communication die, communicative cue, communicative une
mine development » sme development, trade development, business development
development li » development lid, development lie, development lin
duration 4.2 » duration 4.4, duration 4.8, education 4.2
li afrique » l afrique, en afrique
4.2 does » 4.1 does, 4.2 dos, 3.4.2 does
die mine » die mitte, die miete, fire mine

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

• Adding a wildcard symbol may retrieve word variants: technology simulation duration 4.2 does _ communicative die mine development li afrique.*.