Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » thong cong, hang cong, nhung don
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
vang khan » dang khanh, van phan, van khanh
ho chieu » theo chieu, hoc thieu, mot chieu
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: ((ho chieu) or (doi chieu)) sach - thanh trung tuan ((nhung cong) OR (dung cong)) vang khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - thanh trung tuan ((nhung cong) OR (dung cong)) vang khan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) sach - thanh trung tuan ((nhung cong) OR (dung cong)) vang khan cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - thanh trung tuan ((nhung cong) OR (dung cong)) vang khan cap*.