Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
chieu sach » chinh sach, chiet tach, chieu sang
duong xanh » duong manh, duong van, duong minh
duong sach » duong manh
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
tuan cau » toan cau, quan cau, tuan cu

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 khang) or (chieu sach)) - cach mang cua nhung ((duong xanh) OR (duong sach)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (chieu sach)) - cach mang cua nhung ((duong xanh) OR (duong sach)) tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu khang) or (chieu sach)) - cach mang cua nhung ((duong xanh) OR (duong sach)) tuan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu khang) or (chieu sach)) - cach mang cua nhung ((duong xanh) OR (duong sach)) tuan cau*.