Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
te sach » toc sach
nam tuc » nam thuc, nam truc, nam thuoc
va hanh » van hanh, va thanh, va danh
xa hanh » xa thanh, xa khanh, da hanh
cuu tre » cua tre, cau tren, cau treo
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
y nang » ky nang, ly nang, v nang
nam tu » nam thu, nam thuc
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 mai hoi. hieu va ((nam tuc) or (nam tu)) ((xa hanh) OR (va hanh)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang mai hoi. hieu va ((nam tuc) OR (nam tu)) ((xa hanh) OR (va hanh)) vi cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang mai hoi. hieu va ((nam tuc) or (nam tu)) ((xa hanh) OR (va hanh)) vi cuu tre*".