Perhaps you should try some spelling variations:
chieu xanh » chieu sang, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, thong den
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 ((((chieu xanh) OR (chieu sach))) or (chieu tinh)) - hanh trung cua thong thong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (chieu sach))) OR (chieu tinh)) - hanh trung cua thong thong dan toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((chieu xanh) OR (chieu sach))) or (chieu tinh)) - hanh trung cua thong thong dan toan cau*".