Perhaps you should try some spelling variations:
trinh thanh » tinh thanh, trinh han, trinh toan
thanh thong » thanh thuong, thanh hong, thanh thang
theo chieu » theo tieu, theo chu, thi chieu
nhung cong » dung cong, thong cong, hang cong
thong qua » thong quan, thong cua, thong tu
qua nhung » quan nhung, cua nhung, qua chung
thanh cau » thanh chau, thanh mau, nhanh cau
ho chieu » hoc thieu, doi chieu, mot chieu

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 (theo chieu)) sach - thanh thong qua nhung cong trinh thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - thanh thong qua nhung cong trinh thanh cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sach - thanh thong qua nhung cong trinh thanh cau*.