Perhaps you should try some spelling variations:
khanh bui » thanh bui, thanh bai, khanh duy
dau tien » van tien
te sach » toc sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
hieu va » lieu va, hieu qua
hanh bi » hanh vi, thanh bai, thanh bui
va cam » va cham, va cac, va cao
cam tu » cam thu, nam tu, dam tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty xang xa hoi. hieu va cam tu va ((hanh bi) OR (khanh bui)) dau tien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty xang xa hoi. hieu va cam tu va ((hanh bi) OR (khanh bui)) dau tien".
• Adding a wildcard symbol may retrieve word variants: te sach ty xang xa hoi. hieu va cam tu va ((hanh bi) OR (khanh bui)) dau tien*.