Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cang thang » cong thanh, dang thanh
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
thang va » hang va, trang va, thong va
tan toan » tan tran, tap toan, van 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 thieu xanh - cang thang va ((nhung cong) or (dung cong)) tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - cang thang va ((nhung cong) OR (dung cong)) tan toan cau*.