Perhaps you should try some spelling variations:
tinh sang » tinh quang, tinh trang, trinh san
dau truc » cau truc, dai truc, doan truc
sang cua » mang cua, song cua, hang cua
sach ty » sach tu, sach thu, xach tay
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
truc va » thuc va, thuc vat, trung va
va tinh » may tinh
va dau » va dao
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach y) OR (sach ty)) nang xa hoi. hieu va dau truc va tinh sang cua te~.
• Adding a wildcard symbol may retrieve word variants: tu ((sach y) or (sach ty)) nang xa hoi. hieu va dau truc va tinh sang cua te*.