Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trung » thanh trung, hanh trang, manh trung
dong huong » dong thuong, dong duong, cong huong
trung cap » truong cao, trung tam
cap dong » cao dong, cau dong, ca dong
dan toan » van toan, dan than, manh toan
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 ((thieu xanh) or (chieu tinh)) - hanh trung cap dong huong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu tinh)) - hanh trung cap dong huong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu tinh)) - hanh trung cap dong huong dan toan cau*.