Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
dang cong » dung cong
cua dang » cua cong, cua ban
tran ban » tranh ban, toan ban, tran bai
tran van » luan van

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 - hanh tranh cua dang cong thanh ((tran ban) OR (tran van))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - hanh tranh cua dang cong thanh ((tran ban) OR (tran van))".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - hanh tranh cua dang cong thanh ((tran ban) OR (tran van))*.