Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
thuc dan » thuc hanh, hoc dan, thuc vat
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
vai cuu » vai cua
van cau » van dau, van hau, van chat
thi van » thi lan, thi hanh, thi nang
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty nang ma hoi. thi van cau ((xuc va) or (thuc dan)) hanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ma hoi. thi van cau ((xuc va) OR (thuc dan)) hanh vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ma hoi. thi van cau ((xuc va) or (thuc dan)) hanh vai cuu tre*.