Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
khach ky » hanh ky, thanh ky
thuc dan » thuc hanh, hoc dan, thuc vat
danh doi » danh di, thanh doi, dung doi
hieu va » lieu va, hieu qua
doi cua » dai cua, hoi cua
va cao » va cac, va co, va dao
tuc va » thuc va, truc va, tuc xa
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 khach ky nang x hoi. hieu va cao ((tuc va) or (thuc dan)) danh doi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ky nang x hoi. hieu va cao ((tuc va) OR (thuc dan)) danh doi cua te.
• Adding a wildcard symbol may retrieve word variants: vu khach ky nang x hoi. hieu va cao ((tuc va) or (thuc dan)) danh doi cua te*.