Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
can thong » ban thong, chan thuong, toan thong
van thong » van thuong, van phong, va thong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
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 - thanh trong ((can thong) OR (van thong)) cong dan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh trong ((can thong) OR (van thong)) cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trong ((can thong) OR (van thong)) cong dan than cau*.