Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
nang bai » nang tai, nang ban, dang bai
bai khoi » bai choi, mai khoi, tai khoi
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, chat xuc
va tinh » may tinh
bai cua » ban cua, bai ca, hai cua
lai cua » hai cua, lai chau, thai cua
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: hoc sach ky nang bai khoi. lieu va cac xuc va tinh ((bai cua) or (((lai cua) OR (dai cua)))) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ky nang bai khoi. lieu va cac xuc va tinh ((bai cua) OR (((lai cua) OR (dai cua)))) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ky nang bai khoi. lieu va cac xuc va tinh ((bai cua) or (((lai cua) OR (dai cua)))) tre".
• Adding a wildcard symbol may retrieve word variants: hoc sach ky nang bai khoi. lieu va cac xuc va tinh ((bai cua) or (((lai cua) OR (dai cua)))) tre*.