Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thien van » thi van
cham truc » cau truc, nham thuc, pham thuc
toc sach » hoc sach, doc sach, nuoc sach
van cham » van chat, van tham, va cham
nang xa » nang x, lang xa, nang ma
truc va » thuc va, thuc vat, trung va
va dinh » van dinh, va kinh, va tinh
van cuu » van cau, van chu, van cu
cuu tre » cua tre, cau tren, cau treo

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 (thuoc sach)) ky nang xa hoi. thien van cham truc va dinh van cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (thuoc sach)) ky nang xa hoi. thien van cham truc va dinh van cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((toc sach) OR (thuoc sach)) ky nang xa hoi. thien van cham truc va dinh van cuu tre*.