Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
chat dang » chan dang, chat quang, cao dang
dang cong » dung cong
ho chieu » theo chieu, doi chieu, mot chieu
cong dan » cong san, cong tan, huong dan
toan tai » toan tap, doanh tai, toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) sach - hanh tinh chat dang cong dan ((toan tai) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - hanh tinh chat dang cong dan ((toan tai) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - hanh tinh chat dang cong dan ((toan tai) or (van ban))*.