Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
thong cap » thong cac, trung cap, thong cua
tong cong » trong cong, cong cong, dung cong
tung cap » trung cap, cung cap, trong cap
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: doi ((chieu xanh) or (chieu tinh)) - thanh ((tung cap) or (thong cap)) tong cong san phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu tinh)) - thanh ((tung cap) OR (thong cap)) tong cong san phan tu.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu tinh)) - thanh ((tung cap) or (thong cap)) tong cong san phan tu*.