Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
hanh hai » thanh hai, nhanh hai, hang hai
va triet » va thiet, va trien, ve triet
tu sach » te sach, tu cach, vu sach
su sach » so sach, vu 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
hai va » hai van, thai va, hoi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((tu sach) or (thu sach))) or (su sach)) ky nang xa hoi. hieu van cam xuc ban hanh hai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (thu sach))) OR (su sach)) ky nang xa hoi. hieu van cam xuc ban hanh hai va triet.
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) or (thu sach))) or (su sach)) ky nang xa hoi. hieu van cam xuc ban hanh hai va triet*.