Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, 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: theo ((((hieu manh) or (chieu sach))) or (chieu sang)) - canh tranh cua nhung cong tan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((hieu manh) OR (chieu sach))) OR (chieu sang)) - canh tranh cua nhung cong tan phan tu.
• Adding a wildcard symbol may retrieve word variants: theo ((((hieu manh) or (chieu sach))) or (chieu sang)) - canh tranh cua nhung cong tan phan tu*.