Perhaps you should try some spelling variations:
sach ty » sach tu, sach thu, xach tay
nang xa » nang x, lang xa, nang ma
ve cham » va cham, ve chat, vu cham
xa hang » va hang, xa bang, xa hung
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: su ((sach ty) or (sach y)) nang xa hoi. hieu ((ve cam) or (ve cham)) tuc xa hang va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (sach y)) nang xa hoi. hieu ((ve cam) OR (ve cham)) tuc xa hang va cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) or (sach y)) nang xa hoi. hieu ((ve cam) or (ve cham)) tuc xa hang va cua tre*.