Perhaps you should try some spelling variations:
xach tay » canh tay
danh doi » danh di, thanh doi, dung doi
nam thuc » nam thuoc, am thuc, nam thu
cam thuc » am thuc, cam thu, can thuc
doi cua » dai cua, hoi cua, dong cua
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
sach ty » sach y, sach tu, sach thu

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 ty)) nang xa hoi. hieu va ((cam thuc) OR (nam thuc)) va danh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((xach tay) OR (sach ty)) nang xa hoi. hieu va ((cam thuc) OR (nam thuc)) va danh doi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((xach tay) or (sach ty)) nang xa hoi. hieu va ((cam thuc) OR (nam thuc)) va danh doi cua tre".
• Adding a wildcard symbol may retrieve word variants: te ((xach tay) or (sach ty)) nang xa hoi. hieu va ((cam thuc) OR (nam thuc)) va danh doi cua tre*.