Perhaps you should try some spelling variations:
quy truong » duy truong, huy truong, quoc truong
theo dien » theo tieu, thu dien, thuy dien
dien sach » dien anh
anh tang » anh bang, anh dang, anh nang
tang quy » tan quy, nang quy, tang quan
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap

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 - anh tang quy truong ((cong tan) OR (cong tac)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo dien sach - anh tang quy truong ((cong tan) OR (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo dien sach - anh tang quy truong ((cong tan) OR (cong tac)) toan cau*.