Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
chu xanh » chu manh, chua xang, chuc danh
cong tan » cong tac, cong san, cong thanh
tan chan » dan chan, ban chan, can chan
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) or (chieu xanh)) - ((thanh trung) OR (thanh tung)) cua thong cong tan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu xanh)) - ((thanh trung) OR (thanh tung)) cua thong cong tan chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chieu xanh)) - ((thanh trung) OR (thanh tung)) cua thong cong tan chan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chieu xanh)) - ((thanh trung) OR (thanh tung)) cua thong cong tan chan cau*.