Perhaps you should try some spelling variations:
thuc dan » thuc hanh, hoc dan, thuc vat
cau treo » cau theo, cau tren, cau triet
toc sac » toc sach, toc san, hoc sach
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc day
dan vat » dang vat, van vat, dan va
vat cau » dat cau, va cau, van cau
sac ky » cac ky, sai ky
va nam » van nam, ha nam, va nay

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sac ky tang xa hoi. hieu va nam ((thuc va) or (thuc dan)) dan vat cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky tang xa hoi. hieu va nam ((thuc va) OR (thuc dan)) dan vat cau treo.
• Adding a wildcard symbol may retrieve word variants: toc sac ky tang xa hoi. hieu va nam ((thuc va) or (thuc dan)) dan vat cau treo*.