Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
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
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((hieu manh) or (chieu tinh))) or (chieu sach)) - canh tranh cua nhung cong tan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu manh) OR (chieu tinh))) OR (chieu sach)) - canh tranh cua nhung cong tan phan dau.
• Adding a wildcard symbol may retrieve word variants: ho ((((hieu manh) or (chieu tinh))) or (chieu sach)) - canh tranh cua nhung cong tan phan dau*.