Perhaps you should try some spelling variations:
sach tu » sach thu, sach ty, sach uu
cach tu » cach thuc
nang xa » nang x, lang xa, nang ma
qua cam » qua cham, qua cac, qua ca
lang du » lang duc, nang du, tang du
xuc va » tuc va, luc va, xac va
du cua » duy cua, dau cua, dum cua
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 tu) or (cach tu)) nang xa hoi. hieu qua cam ((xuc va) OR (duc va)) lang du cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach tu) OR (cach tu)) nang xa hoi. hieu qua cam ((xuc va) OR (duc va)) lang du cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach tu) or (cach tu)) nang xa hoi. hieu qua cam ((xuc va) OR (duc va)) lang du cua te*".