Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
theo chu » theo chieu, cho chu, chao chu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
tung va » trung va, tuong va, dung va

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

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