Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
sach ty » sach tu, sach thu, xach tay
nang xa » nang x, lang xa, nang ma
cao duc » dao duc, cao suc, tao duoc
van cua » vang cua, ban cua, dan cua
cua te » cua tu

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 y)) nang xa hoi. hieu van ((cao duc) or (giao duc)) va thanh van cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) nang xa hoi. hieu van ((cao duc) OR (giao duc)) va thanh van cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) OR (sach y)) nang xa hoi. hieu van ((cao duc) or (giao duc)) va thanh van cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) OR (sach y)) nang xa hoi. hieu van ((cao duc) or (giao duc)) va thanh van cua te*.