Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, mot chieu
trinh san » trinh han, trinh quan, trinh toan
ho chieu » theo chieu, hoc thieu, mot chieu
va thong » va thuong, va phuong, he thong
tinh va » tich va, trinh van, trinh vat
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: ((doi chieu) or (ho chieu)) sach - nhanh tinh va thong cong trinh san cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) sach - nhanh tinh va thong cong trinh san cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) sach - nhanh tinh va thong cong trinh san cau*.