Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
lang xa » lang ha, dang xay, lang van
hieu ke » hieu kem, chieu ke, hieu ky
truc va » thuc va, thuc vat, trung va
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
sinh y » sinh ly
y lang » o lang, _ lang, tay lang
ke cau » ket cau
vi dau » vi dai, va dau, bi dau

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 ke cau truc va danh vi dau tren~.
• Adding a wildcard symbol may retrieve word variants: hoc sinh y lang xa hoi. hieu ke cau truc va danh vi dau tren*.