Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
trang dan » trang doan, tang dan, trong dan
duong tam » duong tai, dong tam, duong lam
dan dung » van dung, tin dung, ap dung

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 - hanh trang dan dung ((trung tam) or (duong tam)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trang dan dung ((trung tam) OR (duong tam)) phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trang dan dung ((trung tam) or (duong tam)) phan tu*.