Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
va thanh » gia thanh, ban thanh, va tinh
van hanh » ban hanh, van anh, van ban
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
su viet » so viet
va cam » va cham, va cac, va cao

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 lang xa hoi. hieu va cam xuc ((va thanh) or (((van hanh) OR (van thanh)))) va su viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. hieu va cam xuc ((va thanh) OR (((van hanh) OR (van thanh)))) va su viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang xa hoi. hieu va cam xuc ((va thanh) or (((van hanh) OR (van thanh)))) va su viet".
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu va cam xuc ((va thanh) or (((van hanh) OR (van thanh)))) va su viet*.