Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cua triet » cua viet, su triet, va triet
sach tru » sach truc, sach thu, sach tu
tru nang » tra nang, tri nang, truc nano
cac truc » cau truc, cac tru, cac trung
truc van » truc va, thuc van, truc ban
van hanh » van thanh, ban hanh, van anh
hanh tai » thanh tai, hang tai, han tai
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, dua tren

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 tru nang xa hoi. hieu va cac truc van hanh tai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach tru nang xa hoi. hieu va cac truc van hanh tai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: thuoc sach tru nang xa hoi. hieu va cac truc van hanh tai ((cua tre) or (cua triet))*.