Perhaps you should try some spelling variations:
nam thucc » nam thuoc, am thuc, nam thu
khanh vi » hanh vi, khanh v, nhanh vi
xa khanh » xa thanh, van khanh, dat khanh
nam thuc » nam thuoc, am thuc, nam thu
te sach » toc sach
hieu va » lieu va, hieu qua
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, ma hoa, me hoi
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang ((ma hoi) OR (xa hoi)). hieu va ((nam thucc) or (nam thuc)) xa khanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((ma hoi) OR (xa hoi)). hieu va ((nam thucc) OR (nam thuc)) xa khanh vi cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((ma hoi) OR (xa hoi)). hieu va ((nam thucc) or (nam thuc)) xa khanh vi cuu tre*".