Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
chieu sang » chieu sach, chieu xanh, hieu lang
hanh mang » nhanh mang, hanh trang, nhanh lang
mang cua » manh cua, dung cua, ban cua
cua bang » chua bang, cua ban, cua dang
cong san » cong tac
toan tap » toan 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 ((chieu sang) or (thieu khang)) - hanh mang cua bang ((cong san) or (cuong linh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (thieu khang)) - hanh mang cua bang ((cong san) OR (cuong linh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (thieu khang)) - hanh mang cua bang ((cong san) or (cuong linh)) toan tap*.