Perhaps you should try some spelling variations:
thanh dong » thanh duong, thanh cong, hanh dong
ban thanh » ban hanh, ban hang
xach tay » canh tay
dong cua » dung cua, cong cua, huong cua
bao thuc » cao thuoc, am thuc, va thuc
cao thuc » cao thuoc, can thuc, cao thu
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
sach tu » sach thu, cach tu, sach ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((xach tay) or (sach tu)) nang xa hoi. hieu va ((cao thuc) OR (bao thuc)) ban thanh dong cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((xach tay) OR (sach tu)) nang xa hoi. hieu va ((cao thuc) OR (bao thuc)) ban thanh dong cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((xach tay) or (sach tu)) nang xa hoi. hieu va ((cao thuc) OR (bao thuc)) ban thanh dong cua tre".
• Adding a wildcard symbol may retrieve word variants: te ((xach tay) or (sach tu)) nang xa hoi. hieu va ((cao thuc) OR (bao thuc)) ban thanh dong cua tre*.