Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tam thanh » tam than, nam thanh, am thanh
trang va » tran van, hang va
tap toan » tap doan, tap quan, bai toan

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 va nhung cong ((tam thanh) or (tap toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trang va nhung cong ((tam thanh) OR (tap toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trang va nhung cong ((tam thanh) or (tap toan)) cau*.