Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua tong » cua cong, cua dong, cua nong
tong tap » tuong tac, trong tan, cong tac
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - hanh tranh cua tong ((tong tap) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh tranh cua tong ((tong tap) OR (cong tan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh tranh cua tong ((tong tap) or (cong tan)) toan cau*.