Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat chung » luan chung, luat thuong, cua chung
chung cong » nhung cong, chong cong, phung cong
hoc thieu » toc thieu, hoc hien
vinh toan » tinh toan, minh toan, vinh tran
hinh toan » tinh toan, thanh toan, trinh toan
ho chieu » theo chieu, 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 (hoc thieu)) sach - hanh trinh luat chung cong ((vinh toan) OR (hinh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - hanh trinh luat chung cong ((vinh toan) OR (hinh toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) sach - hanh trinh luat chung cong ((vinh toan) OR (hinh toan)) ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - hanh trinh luat chung cong ((vinh toan) OR (hinh toan)) ban*.