Perhaps you should try some spelling variations:
ngang cho » nang cho, ngang tho, sang cho
bat khanh » dat khanh, ban hanh, ban thanh
chung bat » nhung bai, chung ta, chung nam
cac chung » cac phuong, cac cong
hieu van » hieu va, thien van, lieu va
khanh vi » hanh vi, khanh v, nhanh vi
toc sach » hoc sach, doc sach, thuoc sach
ty ngang » ly ngan, te ngan, tu ngan
van cac » van hac, van cau, van bac
cho hoc » co hoc, khoa hoc
cua cau » cua cac, cua chu, cua cay
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) OR (toc sach)) ty ngang cho hoc. hieu van cac chung bat khanh vi cua cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ty ngang cho hoc. hieu van cac chung bat khanh vi cua cau*".