Perhaps you should try some spelling variations:
thanh vinh » thanh binh, thanh tinh, than kinh
vinh cuu » dinh cuu, sinh cua, dinh cu
va thanh » gia thanh, ban thanh, va tinh
qua chau » quy chau, qua cham, qua chu
te sach » toc sach
cuu tre » cua tre, cau tren, cau treo
tay hoi » tay ho, tao hoi, tay thai
xay hoi » xa hoi, cay phoi, gay thoi
ky dang » ky nang, ky danh
au va » dau va, lau va, cau va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (thu hoach)) ky dang ((xay hoi) or (tay hoi)). hieu qua chau au va thanh vinh cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu hoach)) ky dang ((xay hoi) OR (tay hoi)). hieu qua chau au va thanh vinh cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu hoach)) ky dang ((xay hoi) or (tay hoi)). hieu qua chau au va thanh vinh cuu tre*.