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