Perhaps you should try some spelling variations:
duy nhanh » duy khanh, day nhanh, duy anh
nam thuc » nam thuoc, am thuc, nam thu
day hanh » day nhanh, day thanh, dao hanh
doi cua » dai cua, hoi cua
vu sach » vu bach, vu khach
hieu ve » hieu va, hieu van
su sach » so sach
ve nam » he nam, va nam, le nam
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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) OR (su sach)) ky nang x hoi. hieu ve nam thuc ((day hanh) or (duy nhanh)) doi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (su sach)) ky nang x hoi. hieu ve nam thuc ((day hanh) OR (duy nhanh)) doi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (su sach)) ky nang x hoi. hieu ve nam thuc ((day hanh) or (duy nhanh)) doi cua te*".