Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
dua tren » dung tren
vu sach » vu bach, su sach, vu khach
duc gia » quoc gia
xuc gia » luc gia, tuc gia, quoc gia
sach ty » sach y, sach tu, sach thu
va cham » va chat, va tham
hieu va » lieu va, hieu qua
hang xa » hoang xa, hang va, hang ca
ty hang » ly hang, ty xang, thi hang
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty hang xa hoi. hieu va cham ((xuc gia) OR (duc gia)) thanh lap ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty hang xa hoi. hieu va cham ((xuc gia) OR (duc gia)) thanh lap ((dua tren) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty hang xa hoi. hieu va cham ((xuc gia) OR (duc gia)) thanh lap ((dua tren) or (cuu tre))*".