Perhaps you should try some spelling variations:
khanh tai » thanh tai, hanh tai, nhanh thai
xa khanh » xa thanh, van khanh, dat khanh
nam thuc » nam thuoc, am thuc, nam thu
lieu nha » lieu khoa, lieu phap, lieu tham
cuu tre » cua tre, cau tren, cau treo
nang ma » tang ma, nang cao, mang may
tai cuu » tai cuc, tai buu, tai cua
sang ma » tang ma, sang tao, mang may
thuc xa » thuc xay, tuc xa, thuc va
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky ((nang ma) OR (sang ma)) hoi. ((liem ha) or (lieu nha)) nam thuc xa khanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky ((nang ma) OR (sang ma)) hoi. ((liem ha) OR (lieu nha)) nam thuc xa khanh tai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky ((nang ma) OR (sang ma)) hoi. ((liem ha) or (lieu nha)) nam thuc xa khanh tai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu san ky ((nang ma) OR (sang ma)) hoi. ((liem ha) or (lieu nha)) nam thuc xa khanh tai cuu tre*.