Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh phan » thanh pho, thanh san, thanh toan
hoc thieu » toc thieu, hoc hien
tinh than » tinh thanh, tinh toan, tinh thai
than thuc » thuan thuc, nhan thuc, toan thuc
dung cong » dung trong
than phan » toan phan, thanh pham, thanh nhan

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 - tinh than thuc ((dung cong) or (dang cong)) ((than phan) or (thanh phan)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - tinh than thuc ((dung cong) OR (dang cong)) ((than phan) OR (thanh phan)) cac.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - tinh than thuc ((dung cong) or (dang cong)) ((than phan) or (thanh phan)) cac*.