Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
nhanh cay » nhanh ha, nhanh bac, nhanh va
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua nong, cua song
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan
hanh cac » hang cac, hanh cat, hanh va

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 sach - thanh trung ((cua tong) or (cua dong)) cong dan ((hanh cac) OR (nhanh cay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung ((cua tong) OR (cua dong)) cong dan ((hanh cac) OR (nhanh cay)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh trung ((cua tong) or (cua dong)) cong dan ((hanh cac) OR (nhanh cay))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung ((cua tong) or (cua dong)) cong dan ((hanh cac) OR (nhanh cay))*.