Perhaps you should try some spelling variations:
"h. likert scale investment services" » "h. likert scale government services", "h. likert scale treatment services", "h. likert scale investment choices", "h. likert estate investment services", "h. likert estate investments services"
"h. latent trade investment series" » "h. latent trade investment barriers", "h. latent trade investment treaties", "h. latent trade investment schemes", "h. latent private investment series", "h. latent estate investment series", "h. latent trade adjustment series", "h. patents trade investment series", "h. lateral trade investment series", "h. plateau trade investment series"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("h. likert scale investment services") or ("h. latent trade investment series"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("h. likert scale investment services") OR ("h. latent trade investment series")).
• Removing quotes may allow a broader search: (( h. likert scale investment services ) or ( h. latent trade investment series )).
• Adding a wildcard symbol may retrieve word variants: (("h. likert scale investment services") or ("h. latent trade investment series"))*.