Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu cach » hieu cac, chieu sach, hieu ca
cua nhung » va nhung
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
tung cua » trung cua, tuong cua, dung cua
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (((hieu cach) or (chiet tach)))) - thanh tung cua nhung cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((hieu cach) OR (chiet tach)))) - thanh tung cua nhung cong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((hieu cach) or (chiet tach)))) - thanh tung cua nhung cong manh toan ban*.