Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
dung cong » dung trong
trinh va » trinh van, trinh vat, trinh ve
tac than » tac thanh, tac nhan, bac thanh
tam than » ban than
va dung » van dung, va duong, vat dung

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 trinh va dung cong ((tac than) or (tam than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh trinh va dung cong ((tac than) OR (tam than)) cau*.