Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
nhung cong » dung cong, thong cong, hang cong
thien anh » thien danh, thien chanh, thien hach
chinh can » chinh ca, chinh ban, chinh cau
can nhung » canh nhung, cam nhung, ban nhung
tien anh » tieng anh, tien manh, dien anh
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 anh) OR (thien thanh))) or (tien anh)) - hanh chinh can nhung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thien anh) OR (thien thanh))) OR (tien anh)) - hanh chinh can nhung cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thien anh) OR (thien thanh))) or (tien anh)) - hanh chinh can nhung cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((thien anh) OR (thien thanh))) or (tien anh)) - hanh chinh can nhung cong dan than cau*.