Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
trung cua » trung tuan, trung cap, dung cua
hoi hieu » hoi phieu, hoi tieu, doi chieu
moi hieu » moi dieu, doi chieu, mot chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoi hieu) OR (moi hieu)) lang - thanh ((trung cua) or (truong cua)) nhung cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoi hieu) OR (moi hieu)) lang - thanh ((trung cua) OR (truong cua)) nhung cong tac toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoi hieu) OR (moi hieu)) lang - thanh ((trung cua) or (truong cua)) nhung cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: ((hoi hieu) OR (moi hieu)) lang - thanh ((trung cua) or (truong cua)) nhung cong tac toan tap*.