Perhaps you should try some spelling variations:
danh tai » doanh tai, dinh tai, hanh tai
cam tuc » cam xuc, cam tu, nam thuc
tai cua » thai cua, tai cuc, tri cua
sach tu » sach thu, cach tu, sach uu
dang xa » dang xay, lang xa, dang ha
hieu va » hieu qua
sach ty » sach y, sach thu, xach tay
va danh » va dinh, va dan, va hanh
tuc va » thuc va, truc va, tuc xa
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: toc ((sach ty) or (sach tu)) dang xa hoi. ((hieu va) OR (lieu va)) cam tuc va danh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ty) OR (sach tu)) dang xa hoi. ((hieu va) OR (lieu va)) cam tuc va danh tai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ty) or (sach tu)) dang xa hoi. ((hieu va) OR (lieu va)) cam tuc va danh tai cua te".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) or (sach tu)) dang xa hoi. ((hieu va) OR (lieu va)) cam tuc va danh tai cua te*.