Perhaps you should try some spelling variations:
thanh ha » thanh hoa, thanh hai, nhanh ha
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
cuu tre » cua tre, cau tren, cau treo
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
va cao » va cac, va co, va dao
tuc va » thuc va, truc va, duc va
ma hoi » mai hoi, xa hoi, ma hoa
cua tu » cua tuc, cua su, cua cu

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 nang ma hoi. lieu va cao ((tuc va) or (tuc xa)) thanh ha ((cua tu) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang ma hoi. lieu va cao ((tuc va) OR (tuc xa)) thanh ha ((cua tu) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su sach ty nang ma hoi. lieu va cao ((tuc va) or (tuc xa)) thanh ha ((cua tu) or (cuu tre))*.