Perhaps you should try some spelling variations:
tham thuc » nham thuc, pham thuc, tam thuc
trinh vi » trinh va, trinh ve, trinh viet
khac ty » khac thi
tinh vi » tinh voi, tinh va, dinh vi
thuc va » thuc vat, thuc dan, thuc day
vu khac » vu kham, vu khanh, bui khac
va tham » van tham, va cham, va thanh
mang xa » lang xa, mang may, dang xay
ang xa » lang xa, dang xay, hoang xa
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khac ty ((ang xa) or (mang xa)) hoi. lieu va tham thuc va ((tinh vi) or (trinh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khac ty ((ang xa) OR (mang xa)) hoi. lieu va tham thuc va ((tinh vi) OR (trinh vi)) cua te.
• Adding a wildcard symbol may retrieve word variants: vu khac ty ((ang xa) or (mang xa)) hoi. lieu va tham thuc va ((tinh vi) or (trinh vi)) cua te*.