Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
nhien ca » nhien va, khien cua, nhien dai
nang xa » lang xa, nang ma, mang xa
sach ty » sach y, sach tu, sach thu
truc va » thuc va, thuc vat, trung va
danh vi » hanh vi, dinh vi, danh di
tuc va » thuc va, tuc xa, duc va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach ty ((nang xa) or (nang x)) hoi. thien nhien ca ((tuc va) or (truc va)) danh vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ty ((nang xa) OR (nang x)) hoi. thien nhien ca ((tuc va) OR (truc va)) danh vi cua vat.
• Adding a wildcard symbol may retrieve word variants: thuat sach ty ((nang xa) or (nang x)) hoi. thien nhien ca ((tuc va) or (truc va)) danh vi cua vat*.