Perhaps you should try some spelling variations:
thuat cao » thuat co, thuat bao, thuat cam
hoc sach » hoc sinh, hoc cac, hoc anh
thai cao » tai cao, thoai cac, toan cao
cac xuc » cam xuc, cac nuoc, chat xuc
va danh » va dinh, va dan, va hanh
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 cao) OR (thuat 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 cao) OR (thuat 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 cao) OR (thuat 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 cao) OR (thuat cao)) tren*.