Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » lieu tinh, chau tinh, kieu tinh
nhung cong » dung cong, thong cong, hang cong
trung dap » trung cap, trung dai, trung dam
dap nhung » vap nhung, va nhung, dap ung
hach toan » thanh toan, manh toan
tac toan » tap toan, tam toan, tich toan

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