Perhaps you should try some spelling variations:
thai nhung » thi nhung, tham nhung, thai vung
nhung cong » dung cong, thong cong, hang cong
cong thai » cong hai, hong thai, cong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
tan cao » toan cao, tay cao, tan ca
tao cao » bao cao, toan 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 (toc thieu)) sach - thanh cong thai nhung cong san ((tan cao) or (tao cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (toc thieu)) sach - thanh cong thai nhung cong san ((tan cao) OR (tao cao)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (toc thieu)) sach - thanh cong thai nhung cong san ((tan cao) or (tao cao))*.