Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung huong, nhung tuong
chieu sang » chieu sach, chieu xanh, hieu lang
luong bai » luong tai, cuong bai, luong bac
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, tang luan
manh cua » doanh cua, ban cua
bai toan » bai tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - hanh ((tang cua) or (manh cua)) nhung luong bai toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh ((tang cua) OR (manh cua)) nhung luong bai toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh ((tang cua) or (manh cua)) nhung luong bai toan ban*.