Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
chau tinh » cuu tinh, ha tinh, cua tinh
san chinh » lan chinh, van chinh, ban chinh
chinh cau » chinh chau, chinh ca, chinh can
than cua » nhan cua, thai cua, ban cua
cong san » cong tac

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 (chau tinh)) - hanh ((than cua) or (nang cao)) nhung cong san chinh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chau tinh)) - hanh ((than cua) OR (nang cao)) nhung cong san chinh cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chau tinh)) - hanh ((than cua) or (nang cao)) nhung cong san chinh cau*.