Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
dang xay » dang van, van xay
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
xay hoi » xa hoi, tay hoi, cay phoi
ve cham » va cham, ve chat, vu cham
tuc van » thuc van, truc van, tuc va
vai cua » dai cua, hai cua, lai cua
cua tuc » cua duc, cua tu, cua thuoc
ve cam » ve cac, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach _ dang xay hoi. hieu ((ve cam) or (ve cham)) tuc van hanh vai cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach _ dang xay hoi. hieu ((ve cam) OR (ve cham)) tuc van hanh vai cua tuc*.