Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chong gian » khong gian, thong giao, phong giao
hien xanh » hien hanh, hien nhanh, chieu xanh
tuong cua » truong cua, huong cua, thong cua
cua nhung » va nhung
cong giao » cuong giao, dong giao, tong giao
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 hien xanh - thanh tuong cua nhung ((chong gian) or (cong giao)) dung cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh tuong cua nhung ((chong gian) OR (cong giao)) dung cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh tuong cua nhung ((chong gian) or (cong giao)) dung cau*.