Perhaps you should try some spelling variations:
cau thuc » cau truc, cuu thuc, can thuc
vat danh » va danh, van danh, luat danh
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
danh va » doanh va, hanh va, anh va
cu tren » tu tren, dua tren
sinh y » sinh ly
y lang » o lang, _ lang, tay lang
ve cau » ke cau, va cau, ve cac
va cu » va cau, va chu, va su

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 y lang xa hoi. hieu ve cau thuc vat danh va cu tren~.
• Adding a wildcard symbol may retrieve word variants: hoc sinh y lang xa hoi. hieu ve cau thuc vat danh va cu tren*.