Perhaps you should try some spelling variations:
van thanh » van tuan
ban thanh » ban hanh, ban hang
cham xuc » cam xuc, chat xuc, cham soc
cau tren » cu tren, dau tren, cau treo
thu sach » tu sach, thuat sach, thuoc sach
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
ca tren » cu tren, la tren, co tren

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky lang xa hoi. hieu ve cham xuc ((van thanh) OR (ban thanh)) vi ((cau tren) or (ca tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky lang xa hoi. hieu ve cham xuc ((van thanh) OR (ban thanh)) vi ((cau tren) OR (ca tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky lang xa hoi. hieu ve cham xuc ((van thanh) OR (ban thanh)) vi ((cau tren) or (ca tren))".
• Adding a wildcard symbol may retrieve word variants: thu sach ky lang xa hoi. hieu ve cham xuc ((van thanh) OR (ban thanh)) vi ((cau tren) or (ca tren))*.