Perhaps you should try some spelling variations:
cau thuc » cau truc, cuu thuc, can thuc
sinh ky » sinh ly, sinh y, kinh ky
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
danh vi » hanh vi, danh di, danh va
dinh vi » dinh ve, dinh viet, dinh tri
la tren » loai tren, dua tren, dat tren
ve cau » ke cau, va cau, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sinh ky lang xa hoi. hieu ve cau thuc va ((danh vi) or (dinh vi)) la tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sinh ky lang xa hoi. hieu ve cau thuc va ((danh vi) OR (dinh vi)) la tren.
• Adding a wildcard symbol may retrieve word variants: hoc sinh ky lang xa hoi. hieu ve cau thuc va ((danh vi) or (dinh vi)) la tren*.