Perhaps you should try some spelling variations:
lang hoa » hang hoa, lang ha, nang hoa
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
cua viet » ca viet, hoa viet, cua dieu
ky lang » ky nang, ky dang, ky tang
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu le » hieu ve, hieu he, hieu ly
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
a thuc » am thuc, va thuc, ha thuc
le a » le va, le ta, le ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky lang hoa hoi. hieu le a thuc van hanh vai ((cua viet) OR (cua vat))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky lang hoa hoi. hieu le a thuc van hanh vai ((cua viet) OR (cua vat))".
• Adding a wildcard symbol may retrieve word variants: te sac ky lang hoa hoi. hieu le a thuc van hanh vai ((cua viet) OR (cua vat))*.