Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
va thanh » gia thanh, va tinh, le thanh
cau tren » cu tren, dau tren, ca tren
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky nang xa hoi. hieu va cam xuc ((va thanh) or (ban thanh)) vi ((cua te) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang xa hoi. hieu va cam xuc ((va thanh) OR (ban thanh)) vi ((cua te) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: so sach ky nang xa hoi. hieu va cam xuc ((va thanh) or (ban thanh)) vi ((cua te) or (cau tren))*.