Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cu tren » tu tren, dua tren
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
tu cach » tu cac
va cam » va cham, va cac, va cai
va cao » va cac, va co, va dao
xuc va » duc va, tuc va, luc va
vi cu » vi su, vi xu, vi du

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (tu cach)) ty nang xa hoi. lieu ((va cam) or (va cao)) xuc va danh vi cu tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu cach)) ty nang xa hoi. lieu ((va cam) OR (va cao)) xuc va danh vi cu tren.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (tu cach)) ty nang xa hoi. lieu ((va cam) or (va cao)) xuc va danh vi cu tren*.