salut!
oui les algériens peuvent acheter un VOA a macau.
National ALGERIA (DZ)
Destination MACAO (SAR CHINA) (MO)

MACAO (SAR CHINA) (MO)

Passport required (must be valid at least 30 days after period
of intended stay).
Visa required, which can be issued upon arrival for a stay of
max. 30 days. Fee: MOP 100.-. Minors and tourist groups over
10 persons travelling on an organized tour pay MOP 50.-.
Holders of Family Passport or Travel Document pay MOP 200.-.
Visitor must hold:
- return/onward ticket; and
- sufficient funds to cover stay (MOP 500.- per day).
Non-compliance with the entry regulations will result in
deportation of the passenger to the last point of embarkation
or to point of origin at airline's expense. Airline may be
fined MOP 10,000.- per person.
Pour tous les infos précises sur les visas va sur ce site
http://fr.delta.com/delta/enfr/?24;h...tion/index.jsp
allez,God bless you, a plus.