Perhaps you should try some spelling variations:
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
truc va » thuc vat, trung va
thuc va » thuc vat, thuc dan, thuc day
danh di » danh du, xanh di, danh dien
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
y nang » ky nang, ly nang, v nang

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 y nang xa hoi. lieu va cac ((truc va) or (thuc va)) danh di ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. lieu va cac ((truc va) OR (thuc va)) danh di ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. lieu va cac ((truc va) or (thuc va)) danh di ((cua tre) or (cuu tre))*.