Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
trung cua » truong cua, trung cap, dung cua
cong tan » cong tac, cong san, cong thanh
tan quan » tang quan, toan quan, van quan
quan ban » quang ban, qua ban, quan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu tinh) or (lieu tinh)) - hanh ((trung cua) OR (trung tuan)) nhung cong tan quan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (lieu tinh)) - hanh ((trung cua) OR (trung tuan)) nhung cong tan quan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) or (lieu tinh)) - hanh ((trung cua) OR (trung tuan)) nhung cong tan quan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (lieu tinh)) - hanh ((trung cua) OR (trung tuan)) nhung cong tan quan ban*.