Perhaps you should try some spelling variations:
objective optimization » multiobjective optimization
optimization algorithm » optimization algorithms, optimisation algorithm, estimation algorithm
mach algorithm » search algorithm, mom algorithm, mppt algorithm
code trinh » cong trinh, co trinh
trinh mach » tinh mach, trinh lich, trinh minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( modified objective optimization algorithm ) or ( code trinh mach algorithm ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( modified objective optimization algorithm ) OR ( code trinh mach algorithm )).
• Adding a wildcard symbol may retrieve word variants: (( modified objective optimization algorithm ) or ( code trinh mach algorithm ))*.