Perhaps you should try some spelling variations:
sieu danh » sieu dan, dieu danh, tieu danh
nang cong » nang song, dang cong, bang cong
hoc sieu » hoc dieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: hoc sieu danh - ((thanh tung) OR (thanh cong)) va nang cong dan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sieu danh - ((thanh tung) OR (thanh cong)) va nang cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc sieu danh - ((thanh tung) OR (thanh cong)) va nang cong dan toan ban*.