Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
cong manh » cong danh, duong manh, cong thanh
mang cua » manh cua, ban cua, cong cua
dung cua » dung luan, dung cho
manh van » anh van, menh van, canh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (chieu sach)) - hanh ((mang cua) OR (dung cua)) nhung cong manh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu sach)) - hanh ((mang cua) OR (dung cua)) nhung cong manh van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (chieu sach)) - hanh ((mang cua) OR (dung cua)) nhung cong manh van ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu sach)) - hanh ((mang cua) OR (dung cua)) nhung cong manh van ban*.