Perhaps you should try some spelling variations:
gianh lai » gian lan
va gianh » va gian, van giang, va giai
kho tang » cao tang
te sach » toc sach
va cham » va chat, va tham
lai cua » dai cua, hai cua, lai chau
ve cham » ve chat, vu cham, ve chim
ky tang » ky nang, ky dang, ky trong
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ky tang) or (kho tang)) xa hoi. hieu ((ve cham) OR (va cham)) duc va gianh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky tang) OR (kho tang)) xa hoi. hieu ((ve cham) OR (va cham)) duc va gianh lai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky tang) or (kho tang)) xa hoi. hieu ((ve cham) OR (va cham)) duc va gianh lai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky tang) or (kho tang)) xa hoi. hieu ((ve cham) OR (va cham)) duc va gianh lai cua tre*.