Perhaps you should try some spelling variations:
khong trung » chong trung, khong trong, thong trung
chieu xanh » chieu sach, chieu sang, chieu tinh
cua khong » hua khong, cua phuong, cua thuong
trung dai » truong dai, truong dao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
dai than » dai thang, dai han, dai thao
than cau » toan cau, phan cau, than cap

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 - ((thanh tung) or (thanh cong)) cua khong trung dai than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((thanh tung) OR (thanh cong)) cua khong trung dai than cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((thanh tung) or (thanh cong)) cua khong trung dai than cau*.