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

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

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