Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
nhung cong » dung cong, thong cong, hang cong
hoc thieu » hoc hien
trong van » trong cac
van nhung » van nhuong, va nhung, van hung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

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