Perhaps you should try some spelling variations:
thanh vien » nhan vien, thanh van
thien van » thi van
cua triet » cua viet, su triet, va triet
da thanh » dao thanh, dat thanh, dam thanh
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
van bac » van ban, van bao, van hac
bac tac » bac tai, cac tac, bac thay
cua tre » cua te, cuu tre, dua tren

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 lang xa hoi. thien van bac tac da thanh vien ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky lang xa hoi. thien van bac tac da thanh vien ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: vu sach ky lang xa hoi. thien van bac tac da thanh vien ((cua tre) or (cua triet))*.