Perhaps you should try some spelling variations:
nhanh dung » nhanh dong, hanh dung, thanh dung
nhanh hung » thanh hung, nhanh hong, nhanh chuong
theo dien » theo tieu, thu dien, thuy dien
dien sach » dien anh
cong cong » cong dong, trong cong, dung cong
thi cong » tai cong, thien cong
cong anh » cong danh, dong anh, hong anh
toan tap » toan ban
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo dien sach - ((nhanh dung) OR (nhanh hung)) thi cong cong anh ((tuan cu) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dien sach - ((nhanh dung) OR (nhanh hung)) thi cong cong anh ((tuan cu) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo dien sach - ((nhanh dung) OR (nhanh hung)) thi cong cong anh ((tuan cu) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo dien sach - ((nhanh dung) OR (nhanh hung)) thi cong cong anh ((tuan cu) or (toan tap))*.