Perhaps you should try some spelling variations:
thong trinh » thong tinh, chuong trinh, phuong trinh
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
trinh toan » tinh toan, thanh toan, trinh han
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
toan cao » toan ban, toan tap

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 tinh) OR (chieu sach)) - canh tranh cua thong thong trinh toan cao~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (chieu sach)) - canh tranh cua thong thong trinh toan cao*.