Perhaps you should try some spelling variations:
thuc dan » thuc hanh, hoc dan, thuc vat
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
van cam » van nam, van lam, van cau
hanh va » hang va, hanh vi
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va
va cuu » va cau, va chu, va huu

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 xa hoi. thi van cam ((xuc va) or (thuc dan)) hanh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. thi van cam ((xuc va) OR (thuc dan)) hanh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. thi van cam ((xuc va) or (thuc dan)) hanh va cuu tre*.