Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
cong quang » luong quang, thong quang, duong quang
hoc thieu » toc thieu, hoc hien
mang vua » mang cua, hang va, bang va
tuan ban » tuan bang, luan ban, quang ban
toan ban » van ban
mang va » hang va, bang va, dang va

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