Perhaps you should try some spelling variations:
theo tiem » them niem, thep tieu
tong cong » trong cong, cong cong, dung cong
dan thanh » dang thanh, danh thanh, ban thanh
thanh cac » hanh cac, thanh bac, thanh ca
trang va » hang va
tran van » luan van
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tiem) OR (theo tieu)) nang - hanh ((trang va) or (tran van)) tong cong dan thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tiem) OR (theo tieu)) nang - hanh ((trang va) OR (tran van)) tong cong dan thanh cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tiem) OR (theo tieu)) nang - hanh ((trang va) or (tran van)) tong cong dan thanh cac".
• Adding a wildcard symbol may retrieve word variants: ((theo tiem) OR (theo tieu)) nang - hanh ((trang va) or (tran van)) tong cong dan thanh cac*.