Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
manh toan » thanh toan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
van tuan » van quan, van ban

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