Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung toan » truong toan, trung tuan, trung tran
thong cong » trong cong, tong cong, thong thong
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
doi chi » doi khi

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))) or (doi chi)) sach - thanh trung toan thong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((mot chieu) OR (hoc thieu))) OR (doi chi)) sach - thanh trung toan thong cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ((((mot chieu) or (hoc thieu))) or (doi chi)) sach - thanh trung toan thong cong dan than cau*.