Perhaps you should try some spelling variations:
khac tuc » khac phuc, khac tung, khac cuoc
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
va khac » va khao, va kha, vu khac
va danh » va dan, va hanh, dia danh
va dinh » van dinh, va kinh, va tinh
vi cau » va cau, ve cau, di cau
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: tu sach ky nang x hoi. hieu va khac tuc ((va danh) or (va dinh)) vi cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x hoi. hieu va khac tuc ((va danh) OR (va dinh)) vi cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. hieu va khac tuc ((va danh) or (va dinh)) vi cau tren*.