Perhaps you should try some spelling variations:
dau tien » van tien
thanh vi » hanh vi, thanh va, thanh ve
soc gia » toc gia, hoc gia, quoc gia
vu sach » vu bach, su sach, vu khach
ve cham » va cham, vu cham, ve chim
cao hoi » cau hoi, co hoi, cao hoc
ve chat » va chat, van chat
y nang » ky nang, ly nang, v nang
so gia » so giai, so giao, ho gia
vi dau » vi dai, va dau, bi dau

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 cao hoi. hieu ((ve cham) or (ve chat)) ((soc gia) or (so gia)) thanh vi dau tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang cao hoi. hieu ((ve cham) OR (ve chat)) ((soc gia) OR (so gia)) thanh vi dau tien.
• Adding a wildcard symbol may retrieve word variants: vu sach y nang cao hoi. hieu ((ve cham) or (ve chat)) ((soc gia) or (so gia)) thanh vi dau tien*.