Perhaps you should try some spelling variations:
dat tren » dat trong, dua tren
sach lam » cach lam, sach tham, sach luan
hanh san » thanh san, khach san, thanh son
vu cham » va cham, vu kham, tu cham
va tham » van tham, va cham, va thanh
sang xa » song xa, lang xa, sang ma
hanh va » hang va, hanh vi
te sach » toc sach
tuc va » thuc va, truc va, tuc xa

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 lam sang xa hoi. hieu ((vu cham) or (va tham)) tuc va ((hanh san) or (hanh va)) dat tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach lam sang xa hoi. hieu ((vu cham) OR (va tham)) tuc va ((hanh san) OR (hanh va)) dat tren.
• Adding a wildcard symbol may retrieve word variants: te sach lam sang xa hoi. hieu ((vu cham) or (va tham)) tuc va ((hanh san) or (hanh va)) dat tren*.