Perhaps you should try some spelling variations:
hanh dinh » thanh dinh, hinh dinh, hanh tinh
hoc sach » hoc sinh, hoc cac, hoc anh
hieu van » hieu va, thien van, lieu va
dinh cua » dinh cuu, sinh cua, dinh cu
ky lang » ky tang, tay lang
ky dang » ky danh
van lam » van nam
lam xuc » cam xuc, lam duoc
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ((((ky lang) or (ky dang))) or (ky nang)) xa hoi. hieu van lam xuc va hanh dinh cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ((((ky lang) OR (ky dang))) OR (ky nang)) xa hoi. hieu van lam xuc va hanh dinh cua te.
• Adding a wildcard symbol may retrieve word variants: hoc sach ((((ky lang) or (ky dang))) or (ky nang)) xa hoi. hieu van lam xuc va hanh dinh cua te*.