Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung tuan » trung thanh, tran tuan, truong thanh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tran tap » toan tap, tran tan, tran tuan

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 - thanh ((trung tuan) OR (trung tam)) nhung cong tan tran tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - thanh ((trung tuan) OR (trung tam)) nhung cong tan tran tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh ((trung tuan) OR (trung tam)) nhung cong tan tran tap*.