Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
danh thai » anh thai, dang thai, dinh thai
cao tren » ca tren, cau tren, co tren
dang thi » hoang thi, dang khoi
chat xuc » chat huu, cam xuc, chao xu
va chat » van chat, va phat, cao chat
xuc va » duc va, tuc va, luc va
tu sac » tu sach, tu cac, tu san
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 (thuoc sach)) ky nang x hoi. lieu va chat xuc va ((danh thai) or (dang thi)) cao tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (thuoc sach)) ky nang x hoi. lieu va chat xuc va ((danh thai) OR (dang thi)) cao tren.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (thuoc sach)) ky nang x hoi. lieu va chat xuc va ((danh thai) or (dang thi)) cao tren*.