Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, kieu tinh
phan dinh » phan tich, xuan dinh, tran dinh
tung cong » dung cong, tong cong, truong cong
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
dinh huu » dinh cuu, dinh hue, dinh thuy
toan ban » 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: doi ((chieu tinh) or (trieu tinh)) - phan dinh huu tung cong hach toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (trieu tinh)) - phan dinh huu tung cong hach toan ban*.