Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » chieu sach, thien hach, hieu cach
trung tran » trung tuan, trung thanh, trung tam
tran thong » toan thong, tran hong, tran trong
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
khoan cam » khoa cam, khoan va, phan cam
cong san » cong tac
khan cap » than cap, phan cac, phan cau
khan ap » han ap, khan dam

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: hoc thieu sach - thanh trung tran thong cong san ((((khan cap) OR (khan ap))) OR (khoan cam))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh trung tran thong cong san ((((khan cap) OR (khan ap))) or (khoan cam))~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh trung tran thong cong san ((((khan cap) OR (khan ap))) or (khoan cam))*.