Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
truc va » thuc va, thuc vat, trung va
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
tuc va » thuc va, tuc xa, duc va
va cua » va chua, via cua, ca cua

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