Perhaps you should try some spelling variations:
tieng thanh » tien thanh, tieng anh, tieng han
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » thong cong, hang cong, nhung don
hoc tieng » hoc hien
dung cong » dung trong
toan ban » van ban
can ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tieng thanh - hanh trung tuan ((nhung cong) or (dung cong)) tan ((can ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tieng thanh - hanh trung tuan ((nhung cong) OR (dung cong)) tan ((can ban) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc tieng thanh - hanh trung tuan ((nhung cong) or (dung cong)) tan ((can ban) or (toan ban))*.