Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
doi chieu » doc hieu, doi chi, mot chieu
thang cua » thong cua, hang cua, than cua
dung cong » dung trong
trinh san » trinh han, trinh quan, trinh toan
ho chieu » theo chieu, hoc thieu, mot chieu
san cau » van cau, ban cau, can cau

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) or (doi chieu)) sach - nhanh thang cua ((dang cong) OR (dung cong)) trinh san cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - nhanh thang cua ((dang cong) OR (dung cong)) trinh san cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) sach - nhanh thang cua ((dang cong) OR (dung cong)) trinh san cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - nhanh thang cua ((dang cong) OR (dung cong)) trinh san cau*.