Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty hang » ly hang, ty xang, thi hang
hang xa » hoang xa, hang va, hang ca
ve cac » va cac, vien cac
xuc va » tuc va, luc va, xac va
ve cua » le cua, de cua, te cua
cua su » qua su
hien » bien, vien, tien

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