Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
thanh tai » thanh hai, doanh tai, thanh san
nam thuc » nam thuoc, am thuc, nam thu
thuc xay » thuc day, tuc xay, thuat xay
han tai » hang tai, nhan tai, van tai
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
lieu ha » lieu nha, lieu va, liem ha
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
tu sac » tu sach, tu cac, tu san

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

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