Perhaps you should try some spelling variations:
nguoi hien » nguoi chien, nguoi tien, nguoi thieu
giao dinh » gia dinh, giao dich, giam dinh
dinh thi » dinh tri
ca nguoi » cua nguoi, va nguoi, cho nguoi
thi mua » thi dua, thi cua, thi mui
mua ban » cua ban, qua ban
ban ca » ban cua, ban can, ban cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: giao dinh thi mua ban ca nguoi hien dai ((hoc tieng) or (hoc hien)) han~.
• If you are trying to use Boolean operators, they must be ALL CAPS: giao dinh thi mua ban ca nguoi hien dai ((hoc tieng) OR (hoc hien)) han.
• Adding a wildcard symbol may retrieve word variants: giao dinh thi mua ban ca nguoi hien dai ((hoc tieng) or (hoc hien)) han*.