Perhaps you should try some spelling variations:
day nhanh » day thanh, duy nhanh, day manh
cam thuc » am thuc, nam thuc, cam thu
dao hanh » dao thanh, dang hanh, ban hanh
dac nhan » cac nhan, danh nhan, ca nhan
bach ky » bac ky
hieu ve » hieu va, hieu van
di cua » dai cua, doi cua, de cua
ve cam » ve cham, ve cac, va cam
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 bach ky nang x hoi. hieu ve cam thuc ((dao hanh) or (((day nhanh) or (dac nhan)))) di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ky nang x hoi. hieu ve cam thuc ((dao hanh) OR (((day nhanh) OR (dac nhan)))) di cua te.
• Adding a wildcard symbol may retrieve word variants: vu bach ky nang x hoi. hieu ve cam thuc ((dao hanh) or (((day nhanh) or (dac nhan)))) di cua te*.