Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
sanh thieu » sach thieu, thanh thieu, hanh thiet
khang mai » hoang mai, khang voi, chong mai
van khai » van hai, van khi, dan khai
hanh vai » hanh vi, hanh va, hanh tai
so sanh » do sanh
mai hoi » mai khoi, dai hoi, lai hoi
va kham » va cham, va khao, va tham
chua va » chuc va, chua may, chuan ha
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh thieu khang mai hoi. hieu ((va kham) or (van khai)) chua va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh thieu khang mai hoi. hieu ((va kham) OR (van khai)) chua va hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: so sanh thieu khang mai hoi. hieu ((va kham) or (van khai)) chua va hanh vai cua te*.