Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh tranh » canh tranh, hanh trinh, hanh trang
cong thanh » dong thanh, cong trinh, cong tan
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong than » cong thang, cong tan, cong thai
phan cau » phan dau, phan cac, phan tu

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) or (toc thieu)) sang - hanh tranh cua nhung ((cong than) OR (cong thanh)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (toc thieu)) sang - hanh tranh cua nhung ((cong than) OR (cong thanh)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (toc thieu)) sang - hanh tranh cua nhung ((cong than) OR (cong thanh)) phan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (toc thieu)) sang - hanh tranh cua nhung ((cong than) OR (cong thanh)) phan cau*.