Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nham thuc » nhan thuc, nam thuc, nham thu
dua tren » dung tren
thanh ve » hanh ve, thanh va, thanh vien
va thanh » gia thanh, ban thanh, va tinh
va nham » va cham, va tham, va nha
thuc va » thuc vat, thuc dan, thuc day
sach ky » sac ky, sach y, sach ty
sang ma » tang ma, nang ma, sang tao
ky sang » ky nang, ky dang, ky tang
cuu tre » cua tre, cau tren, cau treo
su sach » so sach, vu sach

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 ky sang ma hoa. lieu va nham thuc va thanh ve ((((dua tren) or (cuu tre))) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky sang ma hoa. lieu va nham thuc va thanh ve ((((dua tren) OR (cuu tre))) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: su sach ky sang ma hoa. lieu va nham thuc va thanh ve ((((dua tren) or (cuu tre))) or (cua triet))*.