Perhaps you should try some spelling variations:
thanh gian » thanh giang, thach giang, thanh san
gian cua » gian xu, ban cua
cua viet » ca viet, hoa viet, cua vat
xang xa » lang xa, mang xa, ang xa
sach ty » sach y, sach thu, xach tay
sach tu » sach thu, cach tu, sach uu
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
luc va » tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc ((sach ty) or (sach tu)) xang xa hoi. hieu ve cam ((luc va) or (duc va)) thanh gian cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc ((sach ty) OR (sach tu)) xang xa hoi. hieu ve cam ((luc va) OR (duc va)) thanh gian cua viet.
• Adding a wildcard symbol may retrieve word variants: nuoc ((sach ty) or (sach tu)) xang xa hoi. hieu ve cam ((luc va) or (duc va)) thanh gian cua viet*.