Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cham tuc » nham thuc, pham thuc, tham thuc
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
cua tre » cuu tre, cua triet, dua tren
va cham » va chat, va tham
hieu va » lieu va, hieu qua
ty tang » tay tang, ty hang, ky tang
tuc va » thuc va, truc va, tuc xa
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: su sach ((ty tang) OR (ty xang)) ma hoa. hieu va cham tuc va thanh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty tang) OR (ty xang)) ma hoa. hieu va cham tuc va thanh vai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty tang) OR (ty xang)) ma hoa. hieu va cham tuc va thanh vai ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: su sach ((ty tang) OR (ty xang)) ma hoa. hieu va cham tuc va thanh vai ((cua tre) or (cua te))*.