Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
danh thai » anh thai, dang thai, dinh thai
thai cao » tai cao, thoai cac, thuat cao
cao tren » ca tren, cau tren, co tren
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
va danh » va dinh, va dan, va hanh
tu sac » tu cac, tu san, tu bac
xuc va » duc va, tuc va, luc va
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 sac) OR (tu sach))) or (thuoc sach)) ky nang x hoi. lieu va cac xuc va danh thai cao tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sac) OR (tu sach))) OR (thuoc sach)) ky nang x hoi. lieu va cac xuc va danh thai cao tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu sac) OR (tu sach))) or (thuoc sach)) ky nang x hoi. lieu va cac xuc va danh thai cao tren".
• Adding a wildcard symbol may retrieve word variants: ((((tu sac) OR (tu sach))) or (thuoc sach)) ky nang x hoi. lieu va cac xuc va danh thai cao tren*.