Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
hoc thieu » toc thieu, hoc hien
trung cam » trung tam, trung cap, trung nam
cam nhung » cam hung, nam nhung, tham nhung
ho chieu » theo chieu, mot chieu, thi chieu
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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 thieu))) or (doi chieu)) sach - thanh trung cam nhung cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (hoc thieu))) OR (doi chieu)) sach - thanh trung cam nhung cong tac than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((ho chieu) OR (hoc thieu))) or (doi chieu)) sach - thanh trung cam nhung cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) OR (hoc thieu))) or (doi chieu)) sach - thanh trung cam nhung cong tac than cau*.