Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh trung » thanh trung, hanh trang, manh trung
quang dung » quang trung, ung dung, cuong dung
quan dung » quan duong, qua dung, quan dong
thanh hai » thanh phan, thanh hoa, thanh san
hoc hieu » hoc thieu, hoc hien, doc hieu
so thanh » son thanh, o thanh, su thanh
cong so » cong san, cong hoa

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 - hanh trung ((quan dung) OR (quang dung)) cong so thanh hai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu nganh - hanh trung ((quan dung) OR (quang dung)) cong so thanh hai".
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - hanh trung ((quan dung) OR (quang dung)) cong so thanh hai*.