Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh mang » nhanh mang, hanh trang, nhanh lang
mang luan » tang luan, hang luan, bang luan
luan dung » lan dung, luan dong, luan hung
cong tac » cong ty
ban ban » ban banh, van ban, can ban

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 luan dung ((cong san) or (cong tac)) ban ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh mang luan dung ((cong san) OR (cong tac)) ban ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh mang luan dung ((cong san) or (cong tac)) ban ban*.