Perhaps you should try some spelling variations:
thanh cung » thanh cuong, thanh cong, thanh tung
theo dien » theo tieu, thu dien, thuy dien
dien sach » dien anh
vap nhung » va nhung, ve nhung, voi nhung
cung vap » cung cap, cung va, cung van
cong dan » cong tan, huong dan, cong tac
cong san » cong tac
than cau » toan cau, phan cau, than cap

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 - thanh cung vap nhung ((((cong dan) OR (cong dong))) or (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dien sach - thanh cung vap nhung ((((cong dan) OR (cong dong))) OR (cong san)) than cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo dien sach - thanh cung vap nhung ((((cong dan) OR (cong dong))) or (cong san)) than cau*".