Perhaps you should try some spelling variations:
thuc van » thuc vat, thuc dan, thuc va
su sach » vu sach
hanh di » hanh vi, hanh de, hang di
tuc van » truc van, tuc va, duc van
cuu tre » cua tre, cau tren, cau treo
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
so sach » so sanh, bo sach, co sach
di cuu » di cau, di cua, dinh cuu
va dau » va dao

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) or (so sach)) ty nang xa hoi. lieu va dau ((tuc van) OR (thuc van)) hanh di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ty nang xa hoi. lieu va dau ((tuc van) OR (thuc van)) hanh di cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sach)) ty nang xa hoi. lieu va dau ((tuc van) OR (thuc van)) hanh di cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ty nang xa hoi. lieu va dau ((tuc van) OR (thuc van)) hanh di cuu tre*.