Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
tan thanh » tran thanh, tang thanh, toan thanh
thanh ban » thanh san, thanh van, thanh bac
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, tang luan
cong tan » cong tac, cong san, cong thanh

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 (doi khi)) sach - hanh ((trung tuan) or (tang cua)) nhung cong tan thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi khi)) sach - hanh ((trung tuan) OR (tang cua)) nhung cong tan thanh ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi khi)) sach - hanh ((trung tuan) or (tang cua)) nhung cong tan thanh ban*.