Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
cua phuong » cuu phuong, cuc phuong, luan phuong
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
hoc hieu » hoc thieu, hoc hien, doc hieu
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan tap » toan 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 hieu nganh - hanh tang ((cua thong) or (cua phuong)) ((cong dan) or (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - hanh tang ((cua thong) OR (cua phuong)) ((cong dan) OR (cong san)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - hanh tang ((cua thong) or (cua phuong)) ((cong dan) or (cong san)) toan tap*.