Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
hoc chieu » hoc thieu, hoc hien, hoc dieu
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
trung ha » trung hoc, trung tam, trung cap
cong dan » cong san, cong tan, huong dan
toan ban » van ban
ha dung » hai dung, kha dung, nha dung

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 - hanh trung ha dung cong dan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) sach - hanh trung ha dung cong dan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (ho chieu)) sach - hanh trung ha dung cong dan ((toan tap) or (toan ban))*.