Perhaps you should try some spelling variations:
tieu danh » dieu danh, tiep danh, thien danh
hanh mang » nhanh mang, hanh trang, nhanh lang
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
mang va » mang vua, hang va, bang va
va dung » van dung, va duong, vat dung

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 - hanh mang va dung cong tan ((toan tap) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu danh - hanh mang va dung cong tan ((toan tap) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo tieu danh - hanh mang va dung cong tan ((toan tap) OR (toan ban))*.