Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
hieu van » hieu va, thien van, lieu va
thuc dan » thuc hanh, hoc dan, thuc vat
mai hoi » mai khoi, dai hoi, lai hoi
thuc va » thuc vat, thuc day
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
van am » van nam, van lam, van dam
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: vu sac ky nang mai hoi. hieu van am ((thuc va) OR (thuc dan)) hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky nang mai hoi. hieu van am ((thuc va) OR (thuc dan)) hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang mai hoi. hieu van am ((thuc va) OR (thuc dan)) hanh vi cua te*.