Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sach » chiet tach, chieu sang, chieu xanh
theo sach » thuoc sach, te sach, theo lich
manh tung » manh hung, thanh tung
cua nhung » va nhung
tan thoai » than thoai, van thoai, ban thai
thoai cac » tai cac, thong cac, tho cac
tung cua » trung cua, tuong cua, dung cua
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((theo sach) or (((chieu sach) OR (chinh sach)))) - manh tung cua nhung cong tan thoai cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((theo sach) OR (((chieu sach) OR (chinh sach)))) - manh tung cua nhung cong tan thoai cac*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((theo sach) or (((chieu sach) OR (chinh sach)))) - manh tung cua nhung cong tan thoai cac*".