Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua nhung » va nhung
cong luan » tong luan, cong tuan, dong luan
dong cua » dung cua, cong cua, huong cua
luan han » luan hoan, luan phan, luan van
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) or (chinh sach)) - van dong cua nhung cong luan han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chinh sach)) - van dong cua nhung cong luan han tap.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chinh sach)) - van dong cua nhung cong luan han tap*.