Perhaps you should try some spelling variations:
dang xay » dang van, van xay
thanh di » thanh doi, thanh de, thanh do
va thanh » gia thanh, ban thanh, va tinh
cam luc » cam xuc, cau luc
hieu va » lieu va, hieu qua
sach ty » sach y, sach thu, xach tay
nang xa » nang x, lang xa, nang ma
sach tu » sach thu, cach tu, sach uu
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
di cua » dai cua, doi cua, de 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: so ((sach ty) OR (sach tu)) ((nang xa) or (dang xay)) hoi. hieu va cam luc va thanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach ty) OR (sach tu)) ((nang xa) OR (dang xay)) hoi. hieu va cam luc va thanh di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach ty) OR (sach tu)) ((nang xa) or (dang xay)) hoi. hieu va cam luc va thanh di cua te".
• Adding a wildcard symbol may retrieve word variants: so ((sach ty) OR (sach tu)) ((nang xa) or (dang xay)) hoi. hieu va cam luc va thanh di cua te*.