Perhaps you should try some spelling variations:
tieu danh » dieu danh, tiep danh, thien danh
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
nang cong » nang song, dang cong, bang cong
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban
va nang » van nang, da nang, cam nang

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