Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
hoc chieu » hoc thieu, ho chieu, hoc hien
van dung » van dong, xay dung, tin dung
va duong » van duong, va tuong, va huong
than cau » phan cau, than cap, thanh chau
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 - thanh cong ((van dung) or (va duong)) cong thanh ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh cong ((van dung) OR (va duong)) cong thanh ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh cong ((van dung) or (va duong)) cong thanh ((than cau) or (toan cau))*.