Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thien van » thi van
pham thuc » phap thuc, pham chuc, pham thu
nham thuc » nhan thuc, nam thuc, nham thu
dinh cau » dinh chau, dinh cuu, dinh cu
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va dinh » van dinh, va kinh, va tinh
cau cua » cau qua, ca cua, cu cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach ky nang xa hoi. thien van ((pham thuc) OR (nham thuc)) va dinh cau cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang xa hoi. thien van ((pham thuc) OR (nham thuc)) va dinh cau cua tre".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang xa hoi. thien van ((pham thuc) OR (nham thuc)) va dinh cau cua tre*.