Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
thanh di » thanh doi, thanh de, thanh do
va thanh » gia thanh, ban thanh, va tinh
cham xuc » chat xuc, cham soc, pham duc
sach va » sach xa, sach ha, sach dao
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, te sach
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
di dau » doi dau, bi dau, di du

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach va ((nang xa) OR (lang xa)) hoi. hieu va ((cham xuc) or (cam xuc)) va thanh di dau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach va ((nang xa) OR (lang xa)) hoi. hieu va ((cham xuc) OR (cam xuc)) va thanh di dau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach va ((nang xa) OR (lang xa)) hoi. hieu va ((cham xuc) or (cam xuc)) va thanh di dau tren".
• Adding a wildcard symbol may retrieve word variants: tu sach va ((nang xa) OR (lang xa)) hoi. hieu va ((cham xuc) or (cam xuc)) va thanh di dau tren*.