Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu
nhung cong » dung cong, thong cong, hang cong
thi chieu » thi chien, thi hieu, thi hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
ho chieu » hoc thieu, doi chieu, mot chieu
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (theo chieu))) OR (thi chieu)) tinh - canh tranh cua nhung cong hach toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((ho chieu) OR (theo chieu))) or (thi chieu)) tinh - canh tranh cua nhung cong hach toan tap~".
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) OR (theo chieu))) or (thi chieu)) tinh - canh tranh cua nhung cong hach toan tap*.