Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
hang nong » thang long, han tong
ho chieu » theo chieu, doi chieu, mot chieu
tinh cua » trinh cua, sinh cua, tinh chat
van tuan » van quan, van ban, anh tuan
tuan cao » toan cao, juan cao, quang cao

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 cua ((nhung cong) or (hang nong)) van tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - hanh tinh cua ((nhung cong) OR (hang nong)) van tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sach - hanh tinh cua ((nhung cong) or (hang nong)) van tuan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sach - hanh tinh cua ((nhung cong) or (hang nong)) van tuan cao*.