Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
hieu nganh » vien nganh, hiem ngan, hieu manh
truong cua » truong ca, truong cao, huong cua
trinh than » trinh thanh, trinh han, trinh toan
dung cong » dung trong
hoc hieu » hoc thieu, hoc hien, doc hieu
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu nganh - thanh ((truong cua) OR (truong quan)) dung cong trinh than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu nganh - thanh ((truong cua) OR (truong quan)) dung cong trinh than cau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - thanh ((truong cua) OR (truong quan)) dung cong trinh than cau*.