Perhaps you should try some spelling variations:
ban khanh » ban hanh, ban thanh, van khanh
toan cao » toan ban, toan tap
toan cau » toan ban, toan tap, toan tai
xuc ban » duc ban, cuc ban, quoc ban
te sach » toc sach
tai hoi » tai khoi, tai hai, tai hoe
dai hoi » dai hoc, dai hai, dai moi
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang ((tai hoi) or (dai hoi)). hieu ve cam xuc ban khanh ((toan cau) OR (toan cao)) treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((tai hoi) OR (dai hoi)). hieu ve cam xuc ban khanh ((toan cau) OR (toan cao)) treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((tai hoi) or (dai hoi)). hieu ve cam xuc ban khanh ((toan cau) OR (toan cao)) treo".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((tai hoi) or (dai hoi)). hieu ve cam xuc ban khanh ((toan cau) OR (toan cao)) treo*.