Perhaps you should try some spelling variations:
lai cua » dai cua, hai cua, lai chau
dan lai » dan loai, dan lap, dan lat
cach tu » cach thuc
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
sach uu » sach luu, sach tu, sach xu
co thuc » co thua, mo thuc, so thuc
do thuc » hoc thuc, dan thuc
ca dan » cac dan, ca dao
cua te » cua tu

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

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