Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hanh trinh » canh tranh, hanh chinh
thien anh » thien danh, tien anh, thien chanh
luat cong » thuat cong, luat chung, cua cong
cong cong » cong dong, trong cong, dung cong
cong van » cong vang, cong san, song van
luan ban » luan van, luan san, luat ban
luan han » luan hoan, luan phan, luan 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 anh) or (thien thanh)) - hanh trinh luat cong cong van ((luan ban) OR (luan han))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien thanh)) - hanh trinh luat cong cong van ((luan ban) OR (luan han)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien anh) or (thien thanh)) - hanh trinh luat cong cong van ((luan ban) OR (luan han))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (thien thanh)) - hanh trinh luat cong cong van ((luan ban) OR (luan han))*.