Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
chua tri » chu tri, chua trieu, chua tivi
thi hanh » thi thanh
chua tre » cua tre, chua trieu, cho tre
thanh va » thanh van, hanh va, thanh ha
hanh cuc » nhanh cuc, hanh cac, hanh cua
hieu thi » sieu thi, hieu chi, hiep thi
dang hoa » dang hoai, dang khoa, dong hoa
sach ky » sac ky, sach y, sach ty
cuc van » chuc van, cuu van, cac van
hoa hoi » khoa hoi, hoa hoc, hoa doi
ky dang » ky nang, ky danh
so sach » so sanh, bo sach, co sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky dang hoa hoi. hieu thi hanh cuc van thanh va ((chua tre) or (chua tri))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky dang hoa hoi. hieu thi hanh cuc van thanh va ((chua tre) OR (chua tri)).
• Adding a wildcard symbol may retrieve word variants: so sach ky dang hoa hoi. hieu thi hanh cuc van thanh va ((chua tre) or (chua tri))*.