Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
mai khoi » mai khoa, tai khoa, cac khoi
vat danh » va danh, van danh, luat danh
danh vi » hanh vi, dinh vi, danh di
vu pham » su pham, vi pham, vu kham
hieu vu » hieu va, hieu ve, hieu su
sach ly » sach lo, sach ty, sach hay
mai hoi » dai hoi, lai hoi, mai doi
vi cua » vai cua, di cua
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: tu ((sach ly) or (sach y)) sang ((mai hoi) OR (mai khoi)). hieu vu pham thuc vat danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ly) OR (sach y)) sang ((mai hoi) OR (mai khoi)). hieu vu pham thuc vat danh vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ly) or (sach y)) sang ((mai hoi) OR (mai khoi)). hieu vu pham thuc vat danh vi cua te*".