Perhaps you should try some spelling variations:
day thanh » dao thanh, dat thanh, da thanh
tham thuc » nham thuc, pham thuc, tam thuc
thanh lai » thanh hai, thanh lap, thanh loi
thuc day » thuc dan, thuc vat
cau treo » cau theo, cau tren, cau triet
hieu ve » hieu va, hieu van
ve tham » va tham, ve cham, vi tham
lang xa » lang ha, dang xay, lang van
sach tu » sach thu, cach tu, sach ty
tu lang » cu lang, tu lanh, xu lang
cua tre » cuu tre, cua triet, dua tren
su sach » so sach, vu sach
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach tu lang xa hoi. hieu ve tham thuc day thanh lai ((((cua tre) or (cua te))) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tu lang xa hoi. hieu ve tham thuc day thanh lai ((((cua tre) OR (cua te))) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: su sach tu lang xa hoi. hieu ve tham thuc day thanh lai ((((cua tre) or (cua te))) or (cau treo))*.