Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
hanh tai » thanh tai, hang tai, han tai
dan hanh » dang hanh, dan khanh, dan thanh
thuc dan » thuc hanh, hoc dan, thuc vat
vu cham » vu kham, tu cham, qua cham
tai cau » tai cac, tai cao
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
mang xa » mang may, dang xay, mang cua
va cham » va chat, va tham

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((mang xa) or (lang xa)) hoi. hieu ((va cham) or (vu cham)) thuc dan hanh tai cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((mang xa) OR (lang xa)) hoi. hieu ((va cham) OR (vu cham)) thuc dan hanh tai cau treo.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((mang xa) or (lang xa)) hoi. hieu ((va cham) or (vu cham)) thuc dan hanh tai cau treo*.