Perhaps you should try some spelling variations:
nhanh thanh » phan thanh, nhanh tinh
van phuong » van phong, va phuong, van chuong
kien sach » dien sach, vien bach, kien mac
thanh van » thanh san, thanh toan, thanh phan
hoc kien » hoc hien, hoc vien, hoa kien
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc kien sach - nhanh thanh van phuong ((cong dan) OR (cong san)) ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc kien sach - nhanh thanh van phuong ((cong dan) OR (cong san)) ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc kien sach - nhanh thanh van phuong ((cong dan) OR (cong san)) ((toan cau) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc kien sach - nhanh thanh van phuong ((cong dan) OR (cong san)) ((toan cau) or (toan ban))*.