Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, mot chieu
tung cua » trung cua, tuong cua, dung cua
cong tac » cong ty
tac khan » tac nhan, cac khoan, tac chuan
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 (hoc hien))) or (doi chieu)) sach - thanh tung cua nhung cong tac khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (hoc hien))) OR (doi chieu)) sach - thanh tung cua nhung cong tac khan cap.
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) or (hoc hien))) or (doi chieu)) sach - thanh tung cua nhung cong tac khan cap*.