Perhaps you should try some spelling variations:
thien van » thi van
ban hanh » ban hang
cau tren » cu tren, dau tren, ca tren
so sach » so sanh, bo sach, co sach
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
xuc ban » duc ban, cuc ban, quoc ban
hanh le » thanh le, hanh ve, hanh de
y nang » ky nang, ly nang, v nang
le cau » ke cau, le mau, le cap

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 y nang xa hoi. thien van cam xuc ban hanh le cau tren~.
• Adding a wildcard symbol may retrieve word variants: so sach y nang xa hoi. thien van cam xuc ban hanh le cau tren*.