Perhaps you should try some spelling variations:
thanh di » thanh doi, thanh de, thanh do
hieu va » lieu va, hieu qua
cua tre » cuu tre, cua triet, dua tren
xuc gia » duc gia, luc gia, tuc gia
te sach » toc sach
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
sach v » sach va, sach y, sach 2
va cam » va cham, va cac, va cao
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 v ((nang xa) OR (nang ma)) hoi. hieu va cam xuc gia thanh di ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v ((nang xa) OR (nang ma)) hoi. hieu va cam xuc gia thanh di ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v ((nang xa) OR (nang ma)) hoi. hieu va cam xuc gia thanh di ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: te sach v ((nang xa) OR (nang ma)) hoi. hieu va cam xuc gia thanh di ((cua tre) or (cua te))*.