Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
trinh quan » tinh quang, trinh luat, trinh han
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - canh trinh quan ((thong cong) or (hang cong)) tan tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh trinh quan ((thong cong) OR (hang cong)) tan tran cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh trinh quan ((thong cong) or (hang cong)) tan tran cau*.