Perhaps you should try some spelling variations:
sang tai » hang tai, sang tao, tang tai
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
tai hai » thi hai, dai hai, tai ha
ky sang » ky nang, ky dang, ky tang
va dan » ca dan, va dao, va dau
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky sang tai hai. hieu va cac xuc ((va hanh) or (va dan)) ((vi cua) OR (di cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky sang tai hai. hieu va cac xuc ((va hanh) OR (va dan)) ((vi cua) OR (di cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky sang tai hai. hieu va cac xuc ((va hanh) or (va dan)) ((vi cua) OR (di cua)) te".
• Adding a wildcard symbol may retrieve word variants: vu sach ky sang tai hai. hieu va cac xuc ((va hanh) or (va dan)) ((vi cua) OR (di cua)) te*.