Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung dong » nhung don, nhung cong, nhung dung
dong thanh » truong thanh
thanh toan » thanh hoa, thanh san, tinh toan
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
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: hoc ((chieu xanh) OR (chieu tinh)) - hanh ((trung cua) or (trung cap)) nhung dong thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu tinh)) - hanh ((trung cua) OR (trung cap)) nhung dong thanh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu tinh)) - hanh ((trung cua) or (trung cap)) nhung dong thanh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu tinh)) - hanh ((trung cua) or (trung cap)) nhung dong thanh toan cau*.