Perhaps you should try some spelling variations:
thanh trung » thanh tung
thien thanh » tien thanh, thi thanh, hien hanh
trung thanh » truong thanh
chieu sach » chinh sach, chiet tach, chieu sang
thi phuong » thi truong
phuong dan » phuong danh, phuong doan, huong dan
thanh thi » thanh tai, nhanh thi, thanh tri
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien thanh) or (chieu sach)) - thanh trung thanh thi phuong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien thanh) OR (chieu sach)) - thanh trung thanh thi phuong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien thanh) or (chieu sach)) - thanh trung thanh thi phuong dan van ban*.