Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
thong danh » thong dan, trong danh, thong thanh
thong lanh » tuong lanh, thong thanh, thuong lang
trung cap » trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
toan tap » toan ban

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 ((trung cap) or (truong cao)) thong ((thong danh) OR (thong lanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung cap) OR (truong cao)) thong ((thong danh) OR (thong lanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((trung cap) or (truong cao)) thong ((thong danh) OR (thong lanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung cap) or (truong cao)) thong ((thong danh) OR (thong lanh)) toan tap*.