Perhaps you should try some spelling variations:
nguoi vien » nguoi viet, nguoi tien, nguoi chien
giao dinh » gia dinh, giao dich, giam dinh
tieng han » tieng anh
dinh thi » dinh tri
thi qua » thi quan, thi dua, thi cua
qua dan » qua danh, qua ban, cua dan
dan cua » dan ca, ban cua, dai cua

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 qua dan cua nguoi vien ((am hoc) OR (ad hoc)) tieng han~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "giao dinh thi qua dan cua nguoi vien ((am hoc) OR (ad hoc)) tieng han".
• Adding a wildcard symbol may retrieve word variants: giao dinh thi qua dan cua nguoi vien ((am hoc) OR (ad hoc)) tieng han*.