Perhaps you should try some spelling variations:
nhung cuong » nhung cong, hung cuong, nhung chong
theo chieu » theo tieu, ho chieu, theo chu
mot chieu » doi chieu, ho chieu
thanh han » thanh phan, thanh nhan, thanh hang
cua nhung » va nhung
cuong bai » uong bi, cuong ma
hanh han » hanh nhan, hanh phan, hanh san
bai toan » bai tap
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: ((theo chieu) or (mot chieu)) xanh - ((hanh han) or (thanh han)) cua nhung cuong bai toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (mot chieu)) xanh - ((hanh han) OR (thanh han)) cua nhung cuong bai toan cau*.