Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
hieu van » hieu va, thien van, lieu va
van chat » cao chat
va triet » va thiet, va trien, ve triet
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
xuc van » duc van, vuc van, xuc ban
luc van » luoc van, luu van, duc van
lap va » tap 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: su sach ty nang x hoi. hieu van chat ((xuc van) OR (luc van)) thanh lap va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang x hoi. hieu van chat ((xuc van) OR (luc van)) thanh lap va triet".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang x hoi. hieu van chat ((xuc van) OR (luc van)) thanh lap va triet*.