Perhaps you should try some spelling variations:
sach tai » sach bai, sach tham, sach dao
tai lang » tai cong, thi lan, tai san
cau thuc » cau truc, cuu thuc, can thuc
vu sach » vu bach, su sach, vu khach
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
ve cau » ke cau, va cau, ve cac
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: vu sach tai lang xa hoi. hieu ve cau thuc va hanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach tai lang xa hoi. hieu ve cau thuc va hanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: vu sach tai lang xa hoi. hieu ve cau thuc va hanh vi ((cua tre) or (cua te))*.