Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
va triet » va thiet, va trien, ve triet
vu sach » vu bach, su sach, vu khach
hieu va » lieu va, hieu qua
xuc van » duc van, vuc van, xuc ban
luc van » luoc van, luu van, duc van
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
hai va » hai van, thai va, hoi va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y nang x hoi. hieu va cam ((((xuc van) or (luc van))) or (duc tan)) thanh hai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang x hoi. hieu va cam ((((xuc van) OR (luc van))) OR (duc tan)) thanh hai va triet.
• Adding a wildcard symbol may retrieve word variants: vu sach y nang x hoi. hieu va cam ((((xuc van) or (luc van))) or (duc tan)) thanh hai va triet*.