Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thu sach » tu sach, thuat sach, thu hoach
hang cau » hang dau, hang ca, nhung cau
hieu van » thien van, lieu va, hieu ve
cham xuc » cam xuc, chat xuc, cham soc
va danh » va dinh, va dan, va hanh
ly hang » ly quang
hieu va » lieu va, hieu qua
danh vi » hanh vi, dinh vi, danh di
vi cua » vai cua, di cua
cua te » cua tu
xuc va » duc va, tuc va, luc va

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 (thuoc sach)) ly hang cau hoi. ((hieu va) or (hieu van)) cham xuc va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuoc sach)) ly hang cau hoi. ((hieu va) OR (hieu van)) cham xuc va danh vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (thuoc sach)) ly hang cau hoi. ((hieu va) or (hieu van)) cham xuc va danh vi cua te*".