Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung phan » trung thanh, dung phan, trung tuan
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
tan nhanh » tai nhanh, tan nhan, tan thanh
nhanh cau » nhanh cay, thanh chau, nhanh ha
ho chieu » theo chieu, hoc thieu, doi chieu
trung ha » trung hoc, trung tam, trung cap

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