Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
trinh cua » trinh luat, trinh quan, trinh luan
cong cang » cong cong, cong lang, cong vang
cang hang » cang thang, hang hang, nang hang
chu xanh » chu manh, chieu xanh, chua xang
tinh cua » sinh cua, tinh chat, tranh cua
hang cau » hang dau, hang ca, nhung cau

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

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