Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang nong » thang long, han tong
tang cua » mang cua, hang cua, tang luan
manh cua » doanh cua, ban cua
nong lam » trong lam, dung lam
lam than » tam than, lam thay, am than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (chieu sach)) - hanh ((tang cua) or (manh cua)) hang nong lam than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu sach)) - hanh ((tang cua) OR (manh cua)) hang nong lam than ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu sach)) - hanh ((tang cua) or (manh cua)) hang nong lam than ban*.