Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
trung dap » trung cap, trung dai, trung dam
dap nhung » vap nhung, va nhung, dap ung
ho chieu » theo chieu, hoc thieu, mot chieu
cong dan » cong san, cong tan, huong dan
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (ho chieu)) sach - thanh trung dap nhung cong dan khan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (ho chieu)) sach - thanh trung dap nhung cong dan khan cap".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (ho chieu)) sach - thanh trung dap nhung cong dan khan cap*.