Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
tuong cua » truong cua, huong cua, thong cua
tung cua » trung cua, dung cua, tang cua
cong ban » cong bang, cong san, cong tan
phap cac » phap cach, phan cac, pha cac
phap ca » phap cai, phap cau, phap va

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 - thanh ((tung cua) or (tuong cua)) nhung cong ban ((phap ca) OR (phap cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - thanh ((tung cua) OR (tuong cua)) nhung cong ban ((phap ca) OR (phap cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - thanh ((tung cua) or (tuong cua)) nhung cong ban ((phap ca) OR (phap cac))".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - thanh ((tung cua) or (tuong cua)) nhung cong ban ((phap ca) OR (phap cac))*.