Perhaps you should try some spelling variations:
tieu danh » dieu danh, thien danh, dieu hanh
tiep danh » thien danh, tiep can, hiep dinh
dung cong » dung trong
tang cua » mang cua, tang luan, thong cua
hang cua » mang cua, hang ca, huong cua
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu danh) or (tiep danh)) - hanh ((tang cua) OR (hang cua)) dung cong tan tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu danh) OR (tiep danh)) - hanh ((tang cua) OR (hang cua)) dung cong tan tran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu danh) or (tiep danh)) - hanh ((tang cua) OR (hang cua)) dung cong tan tran cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu danh) or (tiep danh)) - hanh ((tang cua) OR (hang cua)) dung cong tan tran cau*.