Perhaps you should try some spelling variations:
computing bioinformatics » computing information, using bioinformatics, processing bioinformatics
database optimising » databases optimizing, data optimising, database optimized
https directional » wimps directional, aids directional, two directional
flow oriented » block oriented, fact oriented, form oriented

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

• Performing a fuzzy search may retrieve terms with similar spellings: computing bioinformatics https directional ((database optimising) or (flow oriented))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: computing bioinformatics https directional ((database optimising) OR (flow oriented)).
• Adding a wildcard symbol may retrieve word variants: computing bioinformatics https directional ((database optimising) or (flow oriented))*.