Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hien manh » hien hanh, tien manh, hieu manh
kinh thuc » sinh thuc, dinh thuc, hinh thuc
thuc dung » thuoc dung, thuy dung, tuc dung
dung cong » dung trong
cong dang » cong dong, cong dan, cong dung
dang tran » dang thanh, quang tran, hoang tran
tran cau » tran chau, toan cau, ran cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien manh) or (chieu xanh)) - than kinh thuc dung cong dang tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien manh) OR (chieu xanh)) - than kinh thuc dung cong dang tran cau*.