Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, cuoc cach, cuon sach
thien van » thi van
cau tren » cu tren, dau tren, ca tren
hoc sach » hoc sinh, hoc cac, hoc anh
tay hoi » tay ho, tay thai
nam xuc » cam xuc, nam xua, nam thuc
va danh » va dinh, va dan, va hanh
danh ve » dinh ve, hanh ve, anh ve
tao hoi » tao khoi, tao boi, thao hoc
xuc va » duc va, tuc va, luc va
ve cau » ke cau, va cau, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nuoc sach) or (hoc sach)) ky nang ((tay hoi) OR (tao hoi)). thien van nam xuc va danh ve cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nuoc sach) OR (hoc sach)) ky nang ((tay hoi) OR (tao hoi)). thien van nam xuc va danh ve cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nuoc sach) or (hoc sach)) ky nang ((tay hoi) OR (tao hoi)). thien van nam xuc va danh ve cau tren".
• Adding a wildcard symbol may retrieve word variants: ((nuoc sach) or (hoc sach)) ky nang ((tay hoi) OR (tao hoi)). thien van nam xuc va danh ve cau tren*.