Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thien van » thi van
cham thuc » pham thuc, tham thuc, pham thuoc
nham thuc » nhan thuc, nam thuc, nham thu
cua triet » cua viet, su triet, va triet
tinh dau » tinh da, trinh dan, trinh dao
sach ky » sac ky, sach y, sach ty
va tinh » may tinh
dau cua » dai cua, day cua, cau cua
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: thuoc sach ky nang x hoi. thien van ((cham thuc) OR (nham thuc)) va tinh dau cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang x hoi. thien van ((cham thuc) OR (nham thuc)) va tinh dau cua triet".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang x hoi. thien van ((cham thuc) OR (nham thuc)) va tinh dau cua triet*.