Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong tuan » cong tan, cong luan, cong thanh
tuan pham » thanh pham, san pham, tac pham
tranh va » tranh van, trang va, trinh va
va trong » va truong, va thong, va tuong
pham va » pham van, pham ma, pham tai

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 sang)) - canh tranh va trong cong tuan pham va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - canh tranh va trong cong tuan pham va.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sang)) - canh tranh va trong cong tuan pham va*.