Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat duc » chat xuc, chat doc, chet duoc
sinh ty » sinh ly, sinh y, sinh tu
ty nang » ky nang, ty xang, ty hang
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cu tren » tu tren, dua tren
ma hoi » mai hoi, xa hoi, me hoi
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: hoc sinh ty nang ((ma hoi) or (ma hoa)). hieu van chat duc va danh vi cu tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sinh ty nang ((ma hoi) OR (ma hoa)). hieu van chat duc va danh vi cu tren.
• Adding a wildcard symbol may retrieve word variants: hoc sinh ty nang ((ma hoi) or (ma hoa)). hieu van chat duc va danh vi cu tren*.