Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
bang than » bang thanh, ban than, sang 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 trung) OR (thanh cong)) cua ((nhung cong) OR (thong cong)) bang than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((thanh trung) OR (thanh cong)) cua ((nhung cong) OR (thong cong)) bang than cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((thanh trung) OR (thanh cong)) cua ((nhung cong) OR (thong cong)) bang than cau*.