Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
chua dong » ha dong, huy dong, hoa dong
cong vang » cong lang, cong quang, cong ngang
vang than » sang than, van than, cang thang
cua dong » cua cong, cua dang, cua nong
than cau » toan cau, phan cau, than cap

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 - hanh tranh ((cua dong) OR (chua dong)) cong vang than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh tranh ((cua dong) OR (chua dong)) cong vang than cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tranh ((cua dong) OR (chua dong)) cong vang than cau*.