Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
toc sach » doc sach, thuoc sach, nuoc sach
hoc sach » hoc sinh, hoc cac, hoc anh
va thanh » gia thanh, ban thanh, va tinh
cua viet » ca viet, hoa viet, cua vat
thi van » thi lan, thi hanh, thi nang
van bac » van ban, van bao, van hac
lap cua » lai cua, tap cua, lam cua
xuc va » duc va, tuc va, luc 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: ((toc sach) OR (hoc sach)) ky nang x hoi. thi van bac xuc va thanh lap cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (hoc sach)) ky nang x hoi. thi van bac xuc va thanh lap cua viet".
• Adding a wildcard symbol may retrieve word variants: ((toc sach) OR (hoc sach)) ky nang x hoi. thi van bac xuc va thanh lap cua viet*.