Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
cham tuc » nham thuc, pham thuc, tham thuc
xa chinh » va chinh, tai chinh, dia chinh
tu sach » te sach, tu cach, vu sach
su sach » so sach, vu sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va cham » va chat, va tham
cua tre » cua te, cuu tre, cua triet

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 (su sach))) or (thu sach)) ky lang xa hoi. hieu va cham tuc xa chinh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (su sach))) OR (thu sach)) ky lang xa hoi. hieu va cham tuc xa chinh tri cua tre.
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) or (su sach))) or (thu sach)) ky lang xa hoi. hieu va cham tuc xa chinh tri cua tre*.