Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, tran tuan, truong thanh
nhung long » nhung cong, nhung lang, hung long
hieu manh » chieu xanh, hieu nganh, dieu hanh
long tinh » cong tinh, trong tinh, luong tin
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sang)) - thanh ((trung tuan) OR (trung tam)) nhung long tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - thanh ((trung tuan) OR (trung tam)) nhung long tinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu sang)) - thanh ((trung tuan) OR (trung tam)) nhung long tinh toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sang)) - thanh ((trung tuan) OR (trung tam)) nhung long tinh toan cau*.