Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
day nhanh » day thanh, duy nhanh, dac nhan
thanh tay » thanh tai, thanh toan, thanh thuy
vu thanh » su thanh, vu khanh, cuu thanh
day hanh » day thanh, dao hanh, day manh
tay nang » tay nung, may nang, day nang
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
te cua » le cua, de cua
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 thanh tay nang x hoi. hieu ve cham thuc ((day hanh) or (day nhanh)) ((te cua) OR (tue cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu thanh tay nang x hoi. hieu ve cham thuc ((day hanh) OR (day nhanh)) ((te cua) OR (tue cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu thanh tay nang x hoi. hieu ve cham thuc ((day hanh) or (day nhanh)) ((te cua) OR (tue cua)) tre*".