Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
van nhung » van nhuong, va nhung, van hung
tung van » trung van, tang van, dung van
cong san » cong tac
toan cao » toan tap
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (hoc thieu)) sach - thanh tung van nhung cong san ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc thieu)) sach - thanh tung van nhung cong san ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc thieu)) sach - thanh tung van nhung cong san ((toan cao) or (toan ban))*.