Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
hanh tranh » canh tranh, hanh trinh, hanh trang
thien anh » thien danh, tien anh, thien thanh
cua thong » cua thuong, cua khong, suat thong
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
tan khan » tan khang, tan nhan, toan khoan
khan cap » khan ap, than cap, khoan cam

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) or (thien anh)) - hanh tranh ((cua thong) OR (cua tong)) cong tan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (thien anh)) - hanh tranh ((cua thong) OR (cua tong)) cong tan khan cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu xanh) or (thien anh)) - hanh tranh ((cua thong) OR (cua tong)) cong tan khan cap*".