Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
tham thuc » pham thuc, tam thuc, thai thuc
phap hoc » phap hoan, phap mo, phap han
cuu tre » cua tre, cau tren, cau treo
ky dang » ky nang, ky danh
dang ma » dang mau, dang mam, dang mat
va hanh » van hanh, va thanh, va danh
vi cuu » vi luu, vinh cuu
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky dang ma hoi. lieu va ((tham thuc) or (((phap hoc) or (nham thuc)))) va hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky dang ma hoi. lieu va ((tham thuc) OR (((phap hoc) OR (nham thuc)))) va hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sai ky dang ma hoi. lieu va ((tham thuc) or (((phap hoc) or (nham thuc)))) va hanh vi cuu tre*.