Perhaps you should try some spelling variations:
te sach » toc sach
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
hanh va » hang va, hanh vi
ca viet » va viet, co viet, hoa viet
luc va » duc va, tuc va, loc va
va ca » va cac, va cao, va cai

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 y ((lang xa) or (nang x)) hoi. hieu ve cham ((tuc xa) or (luc va)) hanh va ca viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((lang xa) OR (nang x)) hoi. hieu ve cham ((tuc xa) OR (luc va)) hanh va ca viet.
• Adding a wildcard symbol may retrieve word variants: te sach y ((lang xa) or (nang x)) hoi. hieu ve cham ((tuc xa) or (luc va)) hanh va ca viet*.