Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
cua thuong » cua truong, cua phuong, ca thuong
doi chieu » doc hieu, doi chi, ho chieu
cua thong » cua khong, cua tong, suat thong
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cao » toan cao, tran chau, trang cho

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) OR (hanh trinh)) ((cua thong) or (cua thuong)) cong tac tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - ((hanh tranh) OR (hanh trinh)) ((cua thong) OR (cua thuong)) cong tac tran cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - ((hanh tranh) OR (hanh trinh)) ((cua thong) or (cua thuong)) cong tac tran cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - ((hanh tranh) OR (hanh trinh)) ((cua thong) or (cua thuong)) cong tac tran cao*.