Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
trang xa » trang ha, trong xa, trang tai
doanh va » doan va, doanh tai, doanh cua
trang va » tran van, hang va
danh vai » danh sai, danh va, doanh van
co sach » bo sach, cuon sach, hoc sach
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
sach ta » sach tai, sach xa, sach ha
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sach ta ((trang xa) or (trang va)) hoi. hieu ve cham tuc xa ((danh vai) or (doanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach ta ((trang xa) OR (trang va)) hoi. hieu ve cham tuc xa ((danh vai) OR (doanh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: co sach ta ((trang xa) or (trang va)) hoi. hieu ve cham tuc xa ((danh vai) or (doanh va)) cua tre*.