Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sach » chinh sach, chiet tach, chieu sang
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
hach toan » thanh toan, manh toan
ho chieu » theo chieu, hoc thieu, doi chieu
mang cua » manh cua, dung cua, ban cua
tac toan » tap toan, tam toan, tich toan

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 mang cua nhung cong ((tac toan) OR (hach toan)) tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh mang cua nhung cong ((tac toan) OR (hach toan)) tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh mang cua nhung cong ((tac toan) OR (hach toan)) tap*.