Perhaps you should try some spelling variations:
gianh lai » gian lan
hoc sach » hoc sinh, hoc cac, hoc anh
va gianh » va gian, van giang, va giai
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
cac xuc » cac nuoc, chat xuc, cac cuoc
lai cua » dai cua, hai cua, lai chau
cua te » cua tu
5 hoi » o hoi

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 ((5 hoi) or (x ho)). hieu va ((cac xuc) OR (cam xuc)) va gianh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ky nang ((5 hoi) OR (x ho)). hieu va ((cac xuc) OR (cam xuc)) va gianh lai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ky nang ((5 hoi) or (x ho)). hieu va ((cac xuc) OR (cam xuc)) va gianh lai cua te".
• Adding a wildcard symbol may retrieve word variants: hoc sach ky nang ((5 hoi) or (x ho)). hieu va ((cac xuc) OR (cam xuc)) va gianh lai cua te*.