Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
hieu van » hieu va, thien van, lieu va
so sach » so sanh, bo sach, co sach
tai roi » lai roi, tai hoi, tai loi
hieu ve » hieu va
va hanh » van hanh, va thanh, va danh
tai cua » thai cua, tri cua, dai cua
y nang » ky nang, ly nang, v nang
soc va » hoc va, loc va, doc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y nang tai roi. ((hieu ve) or (hieu van)) cham soc va hanh ((tai cua) OR (tai cuc)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang tai roi. ((hieu ve) OR (hieu van)) cham soc va hanh ((tai cua) OR (tai cuc)) te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y nang tai roi. ((hieu ve) or (hieu van)) cham soc va hanh ((tai cua) OR (tai cuc)) te*".