Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
xa thanh » va thanh, ha thanh, ta thanh
ve cham » va cham, ve chat, vu cham
sach ly » sach y, sach ty, sach hay
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
sach lo » sach dao, sach doi, sach hoi
va cua » va chua, via cua, ca cua
ve cam » ve cac, va cam, ve cai

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) OR (sach lo)) 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) OR (sach lo)) nang xa hoi. hieu ((ve cam) OR (ve cham)) tuc xa thanh va cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach ly) OR (sach lo)) 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) OR (sach lo)) nang xa hoi. hieu ((ve cam) or (ve cham)) tuc xa thanh va cua tre*.