Perhaps you should try some spelling variations:
danh dai » danh dau, danh di, danh sai
cau tren » cu tren, dau tren, ca tren
vu sach » vu bach, su sach, vu khach
ve cham » va cham, vu cham, ve chim
ve chat » va chat, van chat
va danh » va dinh, va dan, va hanh
dai cau » dat cau, da cau, dai hau
y nang » ky nang, ly nang, v nang
doc va » duoc va, hoc va, duc va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y nang x hoi. hieu ((ve cham) or (ve chat)) doc va danh dai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang x hoi. hieu ((ve cham) OR (ve chat)) doc va danh dai cau tren*.