Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh huong » thanh huong, anh huong, manh huong
diep dinh » diep tinh, hiep dinh, diep ninh
huong cua » dung cua
ban cong » bang cong, van cong, phan cong
cong san » cong tac
san phan » san pham, van phan, sat 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 ((diep dinh) or (((chieu sang) or (chieu xanh)))) - hanh huong cua ban cong san phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((diep dinh) OR (((chieu sang) OR (chieu xanh)))) - hanh huong cua ban cong san phan tu.
• Adding a wildcard symbol may retrieve word variants: theo ((diep dinh) or (((chieu sang) or (chieu xanh)))) - hanh huong cua ban cong san phan tu*.