Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
canh tay » canh tac, thanh tay, anh ta
cau tren » cu tren, ca tren, cau treo
bao thuc » cao thuoc, am thuc, va thuc
hanh de » hanh ve, hanh kem
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
nang xa » nang x, lang xa, nang ma
sach tu » sach thu, cach tu, sach ty
va bao » va bai

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

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