Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh tai » thanh tai, hang tai, han tai
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
cau tuc » cau truc, cau luc, cau phuc
va hanh » van hanh, va thanh, va danh
tai cua » thai cua, tai cuc, tri cua
cau tu » dau tu, cau truc
cua te » cua tu
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: thu sach ty nang x hoi. hieu ve ((cau tuc) or (cau tu)) va hanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang x hoi. hieu ve ((cau tuc) OR (cau tu)) va hanh tai cua te.
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang x hoi. hieu ve ((cau tuc) or (cau tu)) va hanh tai cua te*.