Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
van chua » va chua, van chia, van chu
va thanh » gia thanh, ban thanh, va tinh
sach ty » sach y, sach thu, xach tay
va cham » va chat, va tham
ve cham » ve chat, vu cham, ve chim
nang xa » nang x, lang xa, nang ma
sach tu » sach thu, cach tu, sach uu
chua cu » chua cau, cua cu, chua co

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ty) or (sach tu)) nang xa hoi. hieu ((ve cham) OR (va cham)) duc va thanh van chua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach tu)) nang xa hoi. hieu ((ve cham) OR (va cham)) duc va thanh van chua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) or (sach tu)) nang xa hoi. hieu ((ve cham) OR (va cham)) duc va thanh van chua cu".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach tu)) nang xa hoi. hieu ((ve cham) OR (va cham)) duc va thanh van chua cu*.