Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
thanh qui » thanh quan, thanh hai, thanh loi
tranh cua » doanh cua, manh cua
dung cong » dung trong
cong sang » cong san, cong lang, cong vang
sang than » cang thang, dang thanh, sang tao
hoc hieu » hoc thieu, hoc hien, doc hieu
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 hieu manh - hanh ((thanh qui) or (tranh cua)) dung cong sang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh ((thanh qui) OR (tranh cua)) dung cong sang than cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh ((thanh qui) or (tranh cua)) dung cong sang than cau*.