Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
thanh tai » thanh hai, thanh toan, doanh tai
cuu tre » cua tre, cau tren, cau treo
nang xa » lang xa, nang ma, mang xa
tai cuu » tai cuc, tai buu, tai cua
hieu ve » hieu va, hieu van
cam suc » cam xuc, cao suc
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky ((nang xa) or (nang x)) hoi. hieu ve ((cam suc) OR (cham soc)) danh thanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky ((nang xa) OR (nang x)) hoi. hieu ve ((cam suc) OR (cham soc)) danh thanh tai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky ((nang xa) or (nang x)) hoi. hieu ve ((cam suc) OR (cham soc)) danh thanh tai cuu tre".
• Adding a wildcard symbol may retrieve word variants: su sac ky ((nang xa) or (nang x)) hoi. hieu ve ((cam suc) OR (cham soc)) danh thanh tai cuu tre*.