Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
chinh cua » chinh ca, chinh sua, hinh cua
cua khong » hua khong, cua phuong, cua thuong
hoc dien » hoc hien, hoc vien, hoc dieu
dien anh » tieng anh, dien dan
dan than » dan chan, ban than, van than
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dien anh - hanh chinh cua khong cong ((dan than) or (van tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dien anh - hanh chinh cua khong cong ((dan than) OR (van tuan)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc dien anh - hanh chinh cua khong cong ((dan than) or (van tuan)) cao*.