Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
thieu sach » chieu sach, thien hach, hieu cach
thanh tung » thanh cong
cong cong » cong dong, trong cong, dung cong
tung cua » trung cua, tuong cua, dung cua
van than » van thanh, van thang, van phan
van tuan » van quan, van ban, anh tuan

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 sach) or (thien thanh)) - thanh tung cua cong cong ((van than) or (van tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (thien thanh)) - thanh tung cua cong cong ((van than) OR (van tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (thien thanh)) - thanh tung cua cong cong ((van than) or (van tuan)) cau*.