Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong ngang » cong nhan, cong quang, cong lang
ngang toan » nganh toan, dang toan, quang toan
hien hanh » dieu hanh
trung cap » truong cao, trung tam
dien anh » tieng anh, dien dan
trung ha » trung hoc, trung tam
toan cao » toan ban, toan tap

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) or (hien hanh)) - thanh ((trung ha) OR (trung cap)) nhung cong ngang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((dien anh) OR (hien hanh)) - thanh ((trung ha) OR (trung cap)) nhung cong ngang toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((dien anh) or (hien hanh)) - thanh ((trung ha) OR (trung cap)) nhung cong ngang toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((dien anh) or (hien hanh)) - thanh ((trung ha) OR (trung cap)) nhung cong ngang toan cao*.