Perhaps you should try some spelling variations:
hoc chieu » hoc thieu, hoc hien, hoc dieu
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong cua » cong cu, dong cua, huong cua
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
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 chieu) OR (ho chieu)) sach - thanh cong cua dung cong tan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) sach - thanh cong cua dung cong tan ((toan cao) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (ho chieu)) sach - thanh cong cua dung cong tan ((toan cao) or (toan ban))*".