Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trung dap » trung cap, trung dai, trung dam
dap nhung » vap nhung, va nhung, dap ung
cong san » cong tac
than cua » nhan cua, thai cua, ban cua
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: ((theo chieu) or (hoc thieu)) sach - thanh trung dap nhung cong san ((than cua) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc thieu)) sach - thanh trung dap nhung cong san ((than cua) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) sach - thanh trung dap nhung cong san ((than cua) or (khan cap))*.