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

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