Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
dan thuc » dan toc, am thuc
hanh tai » thanh tai, hang tai, han tai
sach thu » sach thue, sach thieu, sach tham
van hanh » van thanh, ban hanh, van anh
xach tay » canh tay
dau thuc » dai thuc, dam thuc, day thuc
tai cau » tai cac, tai cao
nang xa » nang x, lang xa, nang ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((xach tay) or (sach thu)) nang xa hoi. lieu va ((dau thuc) or (dan thuc)) van hanh tai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((xach tay) OR (sach thu)) nang xa hoi. lieu va ((dau thuc) OR (dan thuc)) van hanh tai cau tren.
• Adding a wildcard symbol may retrieve word variants: tu ((xach tay) or (sach thu)) nang xa hoi. lieu va ((dau thuc) or (dan thuc)) van hanh tai cau tren*.