Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
thieu xanh » chieu xanh, hieu manh, thien anh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
thong qua » thong quan, thong cua, thong tu
dung cong » dung trong
dan toan » van toan, dan than, manh toan
dan chan » dan gian, dan ca, van chat

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 thong qua ((dung cong) or (thong cong)) ((dan toan) or (dan chan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh thong qua ((dung cong) OR (thong cong)) ((dan toan) OR (dan chan)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh thong qua ((dung cong) or (thong cong)) ((dan toan) or (dan chan)) cao*.