Perhaps you should try some spelling variations:
communication effors » communication efforts, communication errors, communication factors
pt developpement » et developpement, et developpements, de developpement
4 communication » 3 communication, 5.4 communication, de communication
developpement l » developpement il, developpement la, developpement de
technology tax » technology than, technology trap, technology tpm
section data » sectional data
tax section » tax selection, mix section, tax deduction
data scarce » data source, data sparse, data sources
l afrique » en afrique
scarce 4 » scarce 3, scare _, source 4

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

• Adding a wildcard symbol may retrieve word variants: technology tax section data scarce 4 communication effors pt developpement l afrique.*.