Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh van » tran van, trinh van, thanh van
dang cong » dung cong
hoc hieu » hoc thieu, hoc hien, doc hieu
van dang » van dong, van dung, van nang
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan

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 manh - canh tranh van dang cong dan phan tu~.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh tranh van dang cong dan phan tu*.