Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh dung » thanh duong, thanh tung, thanh hung
chong gian » khong gian, thong giao, phong giao
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
cong giao » cuong giao, dong giao, tong giao
dung cua » dung luan, dung cho
dung cau » dung chau, dung cu, dung cac

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 dung cua nhung ((chong gian) or (cong giao)) dung cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh dung cua nhung ((chong gian) OR (cong giao)) dung cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh dung cua nhung ((chong gian) or (cong giao)) dung cau*.