Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
pham thuc » phap thuc, pham chuc, nham thuc
thu sach » tu sach, thuat sach, thu hoach
ky trang » ke trang, ky trong, ky tang
trang xa » trang va, trang ha, trong xa
qua pham » quan pham, quy pham, qua cham
su triet » su viet, su tien, ve triet
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
danh da » danh dau, dan da, danh ca
da su » dan su, dat su, va su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (thuoc sach)) ky trang xa hoi. hieu qua pham thuc va danh da su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuoc sach)) ky trang xa hoi. hieu qua pham thuc va danh da su triet.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thuoc sach)) ky trang xa hoi. hieu qua pham thuc va danh da su triet*.