Perhaps you should try some spelling variations:
xa thanh » va thanh, ha thanh, ta thanh
thanh va » thanh van, hanh va, thanh ha
so sach » so sanh, bo sach, co sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
ve cham » va cham, ve chat, vu cham
cua tre » cua te, cuu tre, cua triet
ve cam » ve cac, va cam, ve cai
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: so sach ly nang xa hoi. hieu ((ve cam) or (ve cham)) tuc xa thanh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ly nang xa hoi. hieu ((ve cam) OR (ve cham)) tuc xa thanh va cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach ly nang xa hoi. hieu ((ve cam) or (ve cham)) tuc xa thanh va cua tre*.