Perhaps you should try some spelling variations:
thien van » thi van
van phat » va phat, van chat, van phan
phat duc » pham duc, phan duc, phan duoc
thanh ve » hanh ve, thanh va, thanh vien
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
duc ban » duc tan, duc van, dua ban
hanh va » hang va, hanh vi
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: vu sach ky nang xa hoi. thien van phat duc ban ((thanh ve) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang xa hoi. thien van phat duc ban ((thanh ve) OR (hanh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. thien van phat duc ban ((thanh ve) or (hanh va)) cua tre*.