Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dang cong » dung cong
cong tinh » cong trinh, cong vinh, long tinh
toc hieu » toc thieu, doc hieu, hoc thieu
cua dang » cua cong, cua ban
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu nganh - hanh tranh cua dang cong tinh toan ban~.
• Adding a wildcard symbol may retrieve word variants: toc hieu nganh - hanh tranh cua dang cong tinh toan ban*.