Perhaps you should try some spelling variations:
dong cong » duong cong, dung cong, dang cong
theo thu » theo chu, theo tu, theo tieu
thu sach » tu sach, thuat sach, thuoc sach
tung cua » trung cua, tuong cua, tang cua
dung cua » dung luan, dung cho
tan san » tai san, tan van, thanh san
han san » hanh san, hai san, thanh san

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo thu sach - thanh ((tung cua) or (dung cua)) dong cong ((tan san) or (han san)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo thu sach - thanh ((tung cua) OR (dung cua)) dong cong ((tan san) OR (han san)) cau.
• Adding a wildcard symbol may retrieve word variants: theo thu sach - thanh ((tung cua) or (dung cua)) dong cong ((tan san) or (han san)) cau*.