Perhaps you should try some spelling variations:
technologies teaching » technology teaching, technologies changing, technologies enabling
communications costs » communication costs, communications _
time communications » time communication, type communications, wartime communications
development pattern » development patterns, development matters, developmental patterns
teaching aid » teaching aids, teaching a, teaching based
costs career » costs chapter, costs case, costs clear
pattern car » pattern gas, pattern map, patterns carlo
plan time » plain time, place time, plan timor
who plan » who plans, who pan, who play
aid who » aid what

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

• Adding a wildcard symbol may retrieve word variants: technologies teaching aid who plan time communications costs career development pattern car.*.