Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
trong dong » trong cong, trong dang, trong dung
trong nong » trong cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
chinh cua » chinh ca, chinh sua, hinh cua
anh luan » anh tuan, anh quan, anh xuan
luan ban » luan van, luan san, luan han

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (thien thanh)) - hanh chinh cua ((trong dong) or (trong nong)) anh luan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (thien thanh)) - hanh chinh cua ((trong dong) OR (trong nong)) anh luan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (thien thanh)) - hanh chinh cua ((trong dong) or (trong nong)) anh luan ban*.