Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hua khong » cua khong, hoac khong, phuc khong
hoa khong » khoi khong, hoa cong, he khong
cong tan » cong tac, cong san, cong thanh
tan ban » toan ban, tang ban, van ban
ban cau » bang cau, ban can, van cau

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

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