Perhaps you should try some spelling variations:
thien danh » thien dang, thien thanh, thien chanh
thieu xanh » chieu xanh, hieu manh
thien anh » tien anh, thien thanh, thien chanh
dung cong » dung trong
chinh va » chinh ta, chinh tai, hanh va
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap
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: hoc ((thieu xanh) or (((thien anh) OR (thien danh)))) - hanh chinh va dung cong san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (((thien anh) OR (thien danh)))) - hanh chinh va dung cong san than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (((thien anh) OR (thien danh)))) - hanh chinh va dung cong san than cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (((thien anh) OR (thien danh)))) - hanh chinh va dung cong san than cau*.