Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
khong cang » thong cong, hong bang, khong dung
hoc thieu » toc thieu, hoc hien
tung cua » trung cua, tuong cua, tang cua
dung cua » dung luan, dung cho
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang

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 ((tung cua) or (dung cua)) khong cang ((dan than) OR (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((tung cua) OR (dung cua)) khong cang ((dan than) OR (ban than)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((tung cua) or (dung cua)) khong cang ((dan than) OR (ban than)) cau*".