Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hau xuc » chat xuc
va dinh » van dinh, va kinh, vu dinh
va tinh » may tinh
va hau » van hau, va chau, vat hau
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
doi su » oi su, voi su
don su » dong su, down su, dan su
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: thu sach v nang x hoi. lieu va hau xuc ((va dinh) or (va tinh)) ((doi su) OR (don su)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach v nang x hoi. lieu va hau xuc ((va dinh) OR (va tinh)) ((doi su) OR (don su)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach v nang x hoi. lieu va hau xuc ((va dinh) or (va tinh)) ((doi su) OR (don su)) triet*".