Perhaps you should try some spelling variations:
trac bach » truc bach, tran mach
hieu nghi » thieu nhi, huu nghi, biet nghi
toc bach » toc sach, truc bach, thi bach
khoa toc » khoa hoc, hoa toc, khoa thuoc
nhung bo » nhung bi, nhung bai, nhung don
hieu chi » hieu cac, hieu moi
uoc vi » hoc vi, doc vi, uoc va
bo uoc » bo duoc, bo quoc, mo uoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc bach) or (trac bach)) khoa toc ((hieu nghi) OR (hieu chi)) cua ets : nhung bo uoc vi đai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc bach) OR (trac bach)) khoa toc ((hieu nghi) OR (hieu chi)) cua ets : nhung bo uoc vi đai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc bach) or (trac bach)) khoa toc ((hieu nghi) OR (hieu chi)) cua ets : nhung bo uoc vi đai".
• Adding a wildcard symbol may retrieve word variants: ((toc bach) or (trac bach)) khoa toc ((hieu nghi) OR (hieu chi)) cua ets : nhung bo uoc vi đai*.