Perhaps you should try some spelling variations:
hinh thai » sinh thai, tinh thai, dinh thi
thai cua » than cua, tai cuc, tri cua
quoc ban » quoc bao, quoc lan, quoc quan
tu sach » thu sach, su sach, te sach
xuc ban » duc ban, cuc ban, xuat ban
duc van » duc va, duc tan, duc manh
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
nang ho » nang hoc, nang co, tang ho
ty nang » ky nang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
va hoc » van hoc
ho hai » hoc hai, pho hai, cho hai

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 ty nang ho hai. hieu va hoc ((((xuc ban) or (quoc ban))) or (duc van)) hinh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ho hai. hieu va hoc ((((xuc ban) OR (quoc ban))) OR (duc van)) hinh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ho hai. hieu va hoc ((((xuc ban) or (quoc ban))) or (duc van)) hinh thai cua tre*.