Perhaps you should try some spelling variations:
nguoi giau » nguoi giay, nghi giau
quoc ngoai » nuoc ngoai, hoc ngoai, quoc oai
ngoi giai » ngoai giai, nguoi giay, loi giai
giao phap » giai phap, giao phat, xgiai phap
khoa cua » kho cua, khoe cua, khoi cua
cua quoc » cua nuoc, cua thuoc
te khoa » ke khoa, tai khoa
hoa cua » hoa chat, hoa xuat
te hoa » te hoc, te ho, te ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( kinh te khoa cua quoc ((ngoi giai) or (nguoi giau)) phap ) or ( kinh te hoa cua quoc ngoai giao phap ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( kinh te khoa cua quoc ((ngoi giai) OR (nguoi giau)) phap ) OR ( kinh te hoa cua quoc ngoai giao phap )).
• Adding a wildcard symbol may retrieve word variants: (( kinh te khoa cua quoc ((ngoi giai) or (nguoi giau)) phap ) or ( kinh te hoa cua quoc ngoai giao phap ))*.