Try business administration, business conditions, business confidence indexes, business with costs / cycles / ethics / forecasts / indicators, etc. , e-commerce and accounting, management, development are related.
ABI Inform offers a nice thesauraus (select advanced search) to expand your keywords.
HC – Economic history and conditions
HD – Industries. Land use. Labor
HD 5650-5660 – Employee participation in management. Employee ownership
HF – Commerce
HF 5001-6182 – Business
HF 5410-5417.5 – Marketing
HF 5549-5549.5 – Personnel management. Employment management
HF 5601-5689 – Accounting. Bookkeeping
HF 5801-6182 – Advertising
HG – Finance